Fix an old setup-gradle in the GitHub workflow.

Author: nedtwigg

.github/workflows/jvm-deploy.yml

@@ -41,9 +41,7 @@ jobs:
           java-version: 17
           distribution: 'temurin'
       - name: gradle caching
-        uses: gradle/actions/setup-gradle@v3
-        with:
-          gradle-home-cache-cleanup: true
+        uses: gradle/actions/setup-gradle@v4
       - name: git fetch origin main
         run: git fetch origin main
       - name: publish all