Fix check

Author: gonzalocasas

.github/workflows/pr-checks.yml

@@ -14,6 +14,6 @@ jobs:
       - name: Changelog check
         uses: Zomzog/[email protected]
         with:
-          fileName: CHANGELOG.rst
+          fileName: CHANGELOG.md
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}