Bump the my-actions group with 1 update

Bumps the my-actions group with 1 update: [xt0rted/markdownlint-problem-matcher](https://github.com/xt0rted/markdownlint-problem-matcher).


Updates `xt0rted/markdownlint-problem-matcher` from 2.0.0 to 3.0.0
- [Release notes](https://github.com/xt0rted/markdownlint-problem-matcher/releases)
- [Changelog](https://github.com/xt0rted/markdownlint-problem-matcher/blob/main/CHANGELOG.md)
- [Commits](xt0rted/markdownlint-problem-matcher@v2.0.0...v3.0.0)

---
updated-dependencies:
- dependency-name: xt0rted/markdownlint-problem-matcher
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: my-actions
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         with:
           node-version: 21
 
-      - uses: xt0rted/markdownlint-problem-matcher@v2.0.0
+      - uses: xt0rted/markdownlint-problem-matcher@v3.0.0
 
       - run: npm ci