Update release.yml

Author: puneetbehl

.github/workflows/release.yml

@@ -98,7 +98,7 @@ jobs:
       - name: Invoke grails-doc release workflow
         if: steps.publish.outcome == 'success'
         id: grails_doc
-        uses: benc-uk/workflow-dispatch@1.2
+        uses: benc-uk/workflow-dispatch@v1.2
         with:
           workflow: Release
           repo: grails/grails-doc