Bump DavidAnson/markdownlint-cli2-action from 21 to 22 (#1046)

Author: ahouseholder

.github/workflows/lint_md_changes.yml

@@ -21,7 +21,7 @@ jobs:
       with:
         files: '**/*.md'
         separator: ","
-    - uses: DavidAnson/markdownlint-cli2-action@v21
+    - uses: DavidAnson/markdownlint-cli2-action@v22
       if: steps.changed-files.outputs.any_changed == 'true'
       with:
         globs: ${{ steps.changed-files.outputs.all_changed_files }}