Use new gradle action

Author: dev-Fabi

.github/workflows/Conveyor.yml

@@ -18,7 +18,7 @@ jobs:
           distribution: 'adopt'
 
       - name: Setup Gradle
-        uses: gradle/gradle-build-action@v3
+        uses: gradle/actions/setup-gradle@v3
 
       - name: Validate Gradle Wrapper
         uses: gradle/wrapper-validation-action@v2