build(deps): bump @slack/types from 2.18.0 to 2.19.0 in /block-kit (#19)

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Author: dependabot[bot]

block-kit/package-lock.json

@@ -18,7 +18,7 @@
   },
   "homepage": "https://github.com/slack-samples/bolt-js-examples/blob/main/block-kit/README.md",
   "dependencies": {
-    "@slack/types": "^2.18.0"
+    "@slack/types": "^2.19.0"
   },
   "devDependencies": {
     "@biomejs/biome": "^2.3.7",