Bump prettier from 3.8.3 to 3.8.4 in /extensions/ql-vscode

Bumps [prettier](https://github.com/prettier/prettier) from 3.8.3 to 3.8.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.8.3...3.8.4)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.8.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2182,7 +2182,7 @@
     "markdownlint-cli2-formatter-pretty": "^0.0.9",
     "npm-run-all": "^4.1.5",
     "patch-package": "^8.0.1",
-    "prettier": "^3.8.3",
+    "prettier": "^3.8.4",
     "storybook": "^10.4.5",
     "tar-stream": "^3.2.0",
     "through2": "^4.0.2",