Bump markdownlint-cli2-formatter-pretty in /extensions/ql-vscode

Bumps [markdownlint-cli2-formatter-pretty](https://github.com/DavidAnson/markdownlint-cli2) from 0.0.7 to 0.0.9.
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.0.7...v0.0.9)

---
updated-dependencies:
- dependency-name: markdownlint-cli2-formatter-pretty
  dependency-version: 0.0.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2177,7 +2177,7 @@
     "jsdom": "^27.0.1",
     "lint-staged": "^15.3.0",
     "markdownlint-cli2": "^0.17.0",
-    "markdownlint-cli2-formatter-pretty": "^0.0.7",
+    "markdownlint-cli2-formatter-pretty": "^0.0.9",
     "npm-run-all": "^4.1.5",
     "patch-package": "^8.0.1",
     "prettier": "^3.6.1",