chore(deps): update davidanson/markdownlint-cli2-action action to v22 (#457)

| datasource  | package                             | from    | to      |
| ----------- | ----------------------------------- | ------- | ------- |
| github-tags | DavidAnson/markdownlint-cli2-action | v21.0.0 | v22.0.0 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lint.yml

@@ -25,7 +25,7 @@ jobs:
     name: markdownlint
     runs-on: ubuntu-24.04
     steps:
-      - uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63 # v21.0.0
+      - uses: DavidAnson/markdownlint-cli2-action@07035fd053f7be764496c0f8d8f9f41f98305101 # v22.0.0
 
   actionlint:
     runs-on: ubuntu-24.04