build(deps): bump DavidAnson/markdownlint-cli2-action in the all group

Bumps the all group with 1 update: [DavidAnson/markdownlint-cli2-action](https://github.com/davidanson/markdownlint-cli2-action).


Updates `DavidAnson/markdownlint-cli2-action` from 18.0.0 to 19.0.0
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](DavidAnson/markdownlint-cli2-action@v18.0.0...v19.0.0)

---
updated-dependencies:
- dependency-name: DavidAnson/markdownlint-cli2-action
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
...

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

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
         uses: crate-ci/[email protected]
 
       - name: markdownlint-cli2-action
-        uses: DavidAnson/markdownlint-cli2-action@v18.0.0
+        uses: DavidAnson/markdownlint-cli2-action@v19.0.0
 
       - name: editorconfig-checker-action
         uses: editorconfig-checker/action-editorconfig-checker@v2