Bump DavidAnson/markdownlint-cli2-action

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

Updates `DavidAnson/markdownlint-cli2-action` from 17 to 18
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](DavidAnson/markdownlint-cli2-action@v17...v18)

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

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

Author: dependabot[bot]

.github/workflows/lint-jobs.yml

@@ -27,6 +27,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: markdownlint-cli2-action
-        uses: DavidAnson/markdownlint-cli2-action@v17
+        uses: DavidAnson/markdownlint-cli2-action@v18
         with:
           globs: "**/*.md"