[PLAY-3213] Vite upgrade to 6.4.3 (#6607)

**What does this PR do?** A clear and concise description with your
runway ticket url.

[Runway
Story](https://runway.powerhrg.com/backlog_items/PLAY-3213?from=backlog)

Updates Vite to 6.4.3 to address several dependabot alerts

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#### Checklist:
- [ ] **LABELS** Add a label: `enhancement`, `bug`, `improvement`, `new
kit`, `deprecated`, or `breaking`. See [Changelog &
Labels](https://github.com/powerhome/playbook/wiki/Changelog-&-Labels)
for details.
- [ ] **DEPLOY** I have added the `milano` label to show I'm ready for a
review.
- [ ] **TESTS** I have added test coverage to my code.
- [ ] **PLAYGROUND** I have added and tested Playground metadata and
overrides for all kits and props updated in my code.
- [ ] **SEMVER** I have added a `minor`, `major`, or `patch` label for
release.
- [ ] **RC** I have added an `inactive RC` label if not an active RC.

Author: nidaqg

playbook-website/package.json

@@ -53,7 +53,7 @@
     "react-router-dom": "^6.16.0",
     "react-simple-code-editor": "^0.13.1",
     "sass": "^1.77.6",
-    "vite": "6.3.5",
+    "vite": "6.4.3",
     "vite-plugin-ruby": "^5.0.0",
     "zxcvbn": "^4.4.2"
   },

playbook/package.json

@@ -120,7 +120,7 @@
     "terser": "^5.39.0",
     "ts-jest": "26.5.6",
     "typescript": "4.3.5",
-    "vite": "6.3.5",
+    "vite": "6.4.3",
     "vite-bundle-visualizer": "^1.2.1",
     "vite-plugin-ruby": "^5.0.0"
   },

yarn.lock

@@ -12453,10 +12453,10 @@ vite-plugin-ruby@^5.0.0:
     debug "^4.3.4"
     fast-glob "^3.3.2"
 
-vite@6.3.5:
-  version "6.3.5"
-  resolved "https://npm.powerapp.cloud/vite/-/vite-6.3.5.tgz#fec73879013c9c0128c8d284504c6d19410d12a3"
-  integrity sha512-cZn6NDFE7wdTpINgs++ZJ4N49W2vRp8LCKrn3Ob1kYNtOo21vfDoaV5GzBfLU4MovSAB8uNRm4jgzVQZ+mBzPQ==
+vite@6.4.3:
+  version "6.4.3"
+  resolved "https://npm.powerapp.cloud/vite/-/vite-6.4.3.tgz#85a164db7ce706f2a776812efa2b340f1721858e"
+  integrity sha512-NTKlcQjlAK7MlQoyb6LgaqHc8sso/pVyUJYWMws3jg21uTJw/LddqIFPcPqP6PzpgbIcZyKI85sFE4HBrQDA8A==
   dependencies:
     esbuild "^0.25.0"
     fdir "^6.4.4"