build(deps-dev): Bump the npm group across 1 directory with 2 updates

Bumps the npm group with 2 updates in the / directory: [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) and [prettier](https://github.com/prettier/prettier).


Updates `markdownlint-cli2` from 0.22.1 to 0.23.0
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.22.1...v0.23.0)

Updates `prettier` from 3.8.4 to 3.9.4
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.8.4...3.9.4)

---
updated-dependencies:
- dependency-name: markdownlint-cli2
  dependency-version: 0.23.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: prettier
  dependency-version: 3.9.4
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
...

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

Author: dependabot[bot]

package-lock.json

@@ -10,7 +10,7 @@
     "lint": "npm run format:check && npm run lint:md"
   },
   "devDependencies": {
-    "markdownlint-cli2": "0.22.1",
-    "prettier": "3.8.4"
+    "markdownlint-cli2": "0.23.0",
+    "prettier": "3.9.4"
   }
 }