Workflow to only build on PR and building an image only on push to test

.gitea/workflows/test_build.yml

@@ -0,0 +1,20 @@
+name: sample gradle build and test
+run-name: Build started by $ {{gitea.actor}}
+on:
+  pull_request:
+    branches: [test]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: JDK setup
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+      - name: Validate Gradle Wrapper
+        uses: gradle/actions/wrapper-validation@v3
+      - name: Gradle build
+        run: /gradlew build --debug

.gitea/workflows/test_image_build_push.yml

@@ -3,9 +3,6 @@ run-name: Build started by $ {{gitea.actor}}
 on:
   push:
     branches: [test]
-  pull_request:
-    branches: [test]
-jobs:
   build:
     runs-on: ubuntu-latest
     container: