Preview for LUA filtering of release notes

Author: nrichers

.github/workflows/validate-docs-site.yaml

@@ -50,6 +50,7 @@ jobs:
       with:
         repository: validmind/release-notes
         path: site/_source/release-notes
+        ref: nrichers/sc-15412/release-notes-filter-listing-pages-by-category
         token: ${{ secrets.RELEASE_NOTES_RO_PAT }}
         sparse-checkout: |
           releases