[9.1] [Deps] Update Vega related Deps to the latest (#245462) (#245684)

# Backport

This will backport the following commits from `main` to `9.1`:
- [[Deps] Update Vega related Deps to the latest
(#245462)](#245462)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Marco
Vettorello","email":"marco.vettorello@elastic.co"},"sourceCommit":{"committedDate":"2025-12-09T15:33:27Z","message":"[Deps]
Update Vega related Deps to the latest (#245462)\n\n## Summary\n\nThis
PR bumps the version of Vega dependencies to the latest one and\nupdates
the default vega spec to use schema v6\n\n---------\n\nCo-authored-by:
kibanamachine
<42973632+kibanamachine@users.noreply.github.com>","sha":"ec8a461711855504e8de1aa441b9f6b38fbe133f","branchLabelMapping":{"^v9.3.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","dependencies","backport:version","v9.3.0","v9.2.3","v9.1.9","v8.19.9"],"title":"[Deps]
Update Vega related Deps to the
latest","number":245462,"url":"https://github.com/elastic/kibana/pull/245462","mergeCommit":{"message":"[Deps]
Update Vega related Deps to the latest (#245462)\n\n## Summary\n\nThis
PR bumps the version of Vega dependencies to the latest one and\nupdates
the default vega spec to use schema v6\n\n---------\n\nCo-authored-by:
kibanamachine
<42973632+kibanamachine@users.noreply.github.com>","sha":"ec8a461711855504e8de1aa441b9f6b38fbe133f"}},"sourceBranch":"main","suggestedTargetBranches":["9.2","9.1","8.19"],"targetPullRequestStates":[{"branch":"main","label":"v9.3.0","branchLabelMappingKey":"^v9.3.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/245462","number":245462,"mergeCommit":{"message":"[Deps]
Update Vega related Deps to the latest (#245462)\n\n## Summary\n\nThis
PR bumps the version of Vega dependencies to the latest one and\nupdates
the default vega spec to use schema v6\n\n---------\n\nCo-authored-by:
kibanamachine
<42973632+kibanamachine@users.noreply.github.com>","sha":"ec8a461711855504e8de1aa441b9f6b38fbe133f"}},{"branch":"9.2","label":"v9.2.3","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"9.1","label":"v9.1.9","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.19","label":"v8.19.9","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Marco Vettorello <marco.vettorello@elastic.co>

Author: kibanamachine

src/platform/plugins/private/vis_types/vega/public/default.spec.hjson

@@ -6,7 +6,7 @@ Welcome to Vega visualizations.  Here you can design your own dataviz from scrat
 This example graph shows the document count in all indexes in the current time range.  You might need to adjust the time filter in the upper right corner.
 */
 
-  $schema: https://vega.github.io/schema/vega-lite/v5.json
+  $schema: https://vega.github.io/schema/vega-lite/v6.json
   title: Event counts from all indexes
 
   // Define the data source

yarn.lock

@@ -17917,7 +17917,12 @@ d3-delaunay@^6.0.4:
   dependencies:
     delaunator "5"
 
-"d3-dispatch@1 - 3", d3-dispatch@^1.0.3:
+"d3-dispatch@1 - 3":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-dispatch/-/d3-dispatch-3.0.1.tgz#5fc75284e9c2375c36c839411a0cf550cbfc4d5e"
+  integrity sha512-rzUyPU/S7rwUflMyLc1ETDeBj0NRuHKKAcvukozwhshr6g6c5d8zh4c2gQjY2bZ0dXeGLWc1PF174P2tVvKhfg==
+
+d3-dispatch@^1.0.3:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/d3-dispatch/-/d3-dispatch-1.0.6.tgz#00d37bcee4dd8cd97729dd893a0ac29caaba5d58"
   integrity sha512-fVjoElzjhCEy+Hbn8KygnmMS7Or0a9sI2UzGwoB7cCtvI1XpVN9GpoYlnb3xt2YV66oXYb1fLJ8GMvP4hdU1RA==
@@ -18009,9 +18014,9 @@ d3-path@^3.1.0:
   integrity sha512-p3KP5HCf/bvjBSSKuXid6Zqijx7wIfNW+J/maPs+iwR35at5JCbLUT0LzF1cnjbCHWhqzQTIN2Jpe8pRebIEFQ==
 
 "d3-quadtree@1 - 3":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/d3-quadtree/-/d3-quadtree-2.0.0.tgz#edbad045cef88701f6fee3aee8e93fb332d30f9d"
-  integrity sha512-b0Ed2t1UUalJpc3qXzKi+cPGxeXRr4KU9YSlocN74aTzp6R/Ud43t79yLLqxHRWZfsvWXmbDWPpoENK1K539xw==
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-quadtree/-/d3-quadtree-3.0.1.tgz#6dca3e8be2b393c9a9d514dabbd80a92deef1a4f"
+  integrity sha512-04xDrxQTDTCFwP5H6hRhsRcb9xxv2RzkcsygFzmkSIOJy3PeRJP7sNk3VRIbKXcog561P9oU0/rVH6vDROAgUw==
 
 d3-scale-chromatic@^3.1.0:
   version "3.1.0"
@@ -18503,11 +18508,11 @@ del@^6.1.0, del@^6.1.1:
     slash "^3.0.0"
 
 delaunator@5:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/delaunator/-/delaunator-5.0.0.tgz#60f052b28bd91c9b4566850ebf7756efe821d81b"
-  integrity sha512-AyLvtyJdbv/U1GkiS6gUUzclRoAY4Gs75qkMygJJhU75LW4DNuSF2RMzpxs9jw9Oz1BobHjTdkG3zdP55VxAqw==
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/delaunator/-/delaunator-5.0.1.tgz#39032b08053923e924d6094fe2cde1a99cc51278"
+  integrity sha512-8nvh+XBe96aCESrGOqMp/84b13H9cdKbG5P2ejQCh4d4sK9RL4371qou9drQjMhvnPmhWl5hnmqbEE0fXr9Xnw==
   dependencies:
-    robust-predicates "^3.0.0"
+    robust-predicates "^3.0.2"
 
 delayed-stream@~1.0.0:
   version "1.0.0"
@@ -29572,10 +29577,10 @@ robust-predicates@^2.0.4:
   resolved "https://registry.yarnpkg.com/robust-predicates/-/robust-predicates-2.0.4.tgz#0a2367a93abd99676d075981707f29cfb402248b"
   integrity sha512-l4NwboJM74Ilm4VKfbAtFeGq7aEjWL+5kVFcmgFA2MrdnQWx9iE/tUGvxY5HyMI7o/WpSIUFLbC5fbeaHgSCYg==
 
-robust-predicates@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/robust-predicates/-/robust-predicates-3.0.1.tgz#ecde075044f7f30118682bd9fb3f123109577f9a"
-  integrity sha512-ndEIpszUHiG4HtDsQLeIuMvRsDnn8c8rYStabochtUeCvfuvNptb5TUbVD68LRAILPX7p9nqQGh4xJgn3EHS/g==
+robust-predicates@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/robust-predicates/-/robust-predicates-3.0.2.tgz#d5b28528c4824d20fc48df1928d41d9efa1ad771"
+  integrity sha512-IXgzBWvWQwE6PrDI05OvmXUIruQTcoMDzRsOd5CDvHCVLcLHMTSYvOK5Cm46kWqlV3yAbuSpBZdJ5oP5OUoStg==
 
 router@^2.0.0:
   version "2.1.0"
@@ -33037,9 +33042,9 @@ vega-format@^2.1.0, vega-format@~2.1.0:
     vega-util "^2.1.0"
 
 vega-functions@^6.1.0, vega-functions@~6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/vega-functions/-/vega-functions-6.1.0.tgz#d3726c46744f8a9769df5954a41a3d42fefad57e"
-  integrity sha512-yooEbWt0FWMBNoohwLsl25lEh08WsWabTXbbS+q0IXZzWSpX4Cyi45+q7IFyy/2L4oaIfGIIV14dgn3srQQcGA==
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/vega-functions/-/vega-functions-6.1.1.tgz#5d4e9746aadde2b3b70d8da3e6338892d05cd9d2"
+  integrity sha512-Due6jP0y0FfsGMTrHnzUGnEwXPu7VwE+9relfo+LjL/tRPYnnKqwWvzt7n9JkeBuZqjkgYjMzm/WucNn6Hkw5A==
   dependencies:
     d3-array "^3.2.4"
     d3-color "^3.1.0"
@@ -33183,9 +33188,9 @@ vega-schema-url-parser@3.0.2:
   integrity sha512-xAnR7KAvNPYewI3O0l5QGdT8Tv0+GCZQjqfP39cW/hbe/b3aYMAQ39vm8O2wfXUHzm04xTe7nolcsx8WQNVLRQ==
 
 vega-selections@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/vega-selections/-/vega-selections-6.1.0.tgz#a3bf68cced5c9080b97ffaa44a1a4b07af67229e"
-  integrity sha512-WaHM7D7ghHceEfMsgFeaZnDToWL0mgCFtStVOobNh/OJLh0CL7yNKeKQBqRXJv2Lx74dPNf6nj08+52ytWfW7g==
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/vega-selections/-/vega-selections-6.1.2.tgz#3646db6a9fc1d725969b8b5841e5d333c1f0f803"
+  integrity sha512-xJ+V4qdd46nk2RBdwIRrQm2iSTMHdlu/omhLz1pqRL3jZDrkqNBXimrisci2kIKpH2WBpA1YVagwuZEKBmF2Qw==
   dependencies:
     d3-array "3.2.4"
     vega-expression "^6.1.0"