chore(deps-dev): bump webpack from 5.99.5 to 5.99.6

Bumps [webpack](https://github.com/webpack/webpack) from 5.99.5 to 5.99.6.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.99.5...v5.99.6)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.99.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -446,7 +446,7 @@
     "typescript": "^5.8.3",
     "vscode-extension-tester": "^8.13.0",
     "webfont": "^11.2.26",
-    "webpack": "^5.99.5",
+    "webpack": "^5.99.6",
     "webpack-cli": "^6.0.1",
     "webpack-shell-plugin-next": "^2.3.2"
   }