publish docs only from release branch

Author: boblat

.github/workflows/release.yml

@@ -77,6 +77,7 @@ jobs:
   # publish-docs:
   #   name: Publish docs
   #   needs: release
+  #   if: github.ref_name == 'release'
   #   uses: ./.github/workflows/gh-pages.yml
   #   permissions:
   #     contents: read