Merge pull request #460 from grails/remove-set-output

Remove deprecated set-output command
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 75eb210..5a41b3a 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -73,8 +73,8 @@
         with:
           arguments: views-docs:docs
       - name: Publish to Github Pages
-        if: steps.docs.outcome == 'success' && github.event_name == 'push' && matrix.java == '8'
-        uses: micronaut-projects/github-pages-deploy-action@master
+        if: steps.docs.outcome == 'success' && github.event_name == 'push' && matrix.java == '11'
+        uses: micronaut-projects/github-pages-deploy-action@grails
         env:
           TARGET_REPOSITORY: ${{ github.repository }}
           GH_TOKEN: ${{ secrets.GH_TOKEN }}