Bump @github/markdownlint-github in /extensions/ql-vscode (#3779)

Bumps [@github/markdownlint-github](https://github.com/github/markdownlint-github) from 0.6.2 to 0.6.3.
- [Release notes](https://github.com/github/markdownlint-github/releases)
- [Commits](github/markdownlint-github@v0.6.2...v0.6.3)

---
updated-dependencies:
- dependency-name: "@github/markdownlint-github"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2010,7 +2010,7 @@
     "@babel/preset-react": "^7.24.1",
     "@babel/preset-typescript": "^7.21.4",
     "@faker-js/faker": "^9.0.3",
-    "@github/markdownlint-github": "^0.6.2",
+    "@github/markdownlint-github": "^0.6.3",
     "@microsoft/eslint-formatter-sarif": "^3.1.0",
     "@playwright/test": "^1.40.1",
     "@storybook/addon-a11y": "^8.3.5",