build(deps): bump DavidAnson/markdownlint-cli2-action (#2460)

Bumps [DavidAnson/markdownlint-cli2-action](https://github.com/davidanson/markdownlint-cli2-action) from 9.0.0 to 12.0.0.
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](DavidAnson/markdownlint-cli2-action@5b7c9f7...3aaa38e)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/markdown.yml

@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
-      - uses: DavidAnson/markdownlint-cli2-action@5b7c9f74fec47e6b15667b2cc23c63dff11e449e
+      - uses: DavidAnson/markdownlint-cli2-action@3aaa38e446fbd2c288af4291aa0f55d64651050f
         with:
             globs: "**/*.md"