Update path to Grails functional tests

Author: puneetbehl

.github/workflows/gradle.yml

@@ -82,7 +82,7 @@ jobs:
         uses: benc-uk/workflow-dispatch@798e70c97009500150087d30d9f11c5444830385 # tag=v1.2
         with:
           workflow: Java CI
-          repo: grails/grails3-functional-tests
+          repo: grails/grails-functional-tests
           ref: ${{ steps.extract_branch.outputs.value }}
           token: ${{ secrets.GH_TOKEN }}
           inputs: ${{ steps.dispatch_message.outputs.value }}