Modify jfrog gradle config in ci

- We have artifactory plugin in build itself
- Relates #1143

Author: jvalkeal

.github/workflows/ci.yml

@@ -71,6 +71,7 @@ jobs:
       run: |
         jf gradlec \
           --use-wrapper \
+          --uses-plugin \
           --deploy-ivy-desc=false \
           --server-id-resolve=repo.spring.io \
           --server-id-deploy=repo.spring.io \