Bump markdownlint-cli2 from 0.12.1 to 0.13.0 in /extensions/ql-vscode (#3571)

Bumps [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) from 0.12.1 to 0.13.0.
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.12.1...v0.13.0)

---
updated-dependencies:
- dependency-name: markdownlint-cli2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2083,7 +2083,7 @@
     "jest-environment-jsdom": "^29.0.3",
     "jest-runner-vscode": "^3.0.1",
     "lint-staged": "^15.2.2",
-    "markdownlint-cli2": "^0.12.1",
+    "markdownlint-cli2": "^0.13.0",
     "markdownlint-cli2-formatter-pretty": "^0.0.5",
     "npm-run-all": "^4.1.5",
     "patch-package": "^8.0.0",