Update .woodpecker.yml

.woodpecker.yml

@@ -6,7 +6,9 @@ steps:
       GITHUB_USERNAME: from_secret:GITHUB_USERNAME
     commands:
       - echo $GITHUB_PAT | docker login ghcr.io -u $GITHUB_USERNAME --password-stdin
-
+    when:
+      event: [push, pull_request]
+        
   restore-cache:
     image: plugins/cache
     settings:
@@ -15,7 +17,9 @@ steps:
         - /root/.m2
         - frontend/node_modules
       path: /tmp/woodpecker-cache
-
+    when:
+      event: [push, pull_request]
+      
   backend-build:
     image: maven:3.9-eclipse-temurin-17
     volumes:
@@ -25,6 +29,7 @@ steps:
       - mvn clean install -Pprod -DskipTests
       - cp target/resilient*.jar /output/
     when:
+      event: [push, pull_request]
       branch:
         include:
           - main
@@ -39,14 +44,18 @@ steps:
         - /root/.m2
         - frontend/node_modules
       path: /tmp/woodpecker-cache
-
+    when:
+      event: [push, pull_request]
+      
   save-artifacts:
     image: ghcr.io/woodpecker-ci/plugin-artifacts
     settings:
       files:
         - /output/resilient*.jar
       destination: build
-
+    when:
+      event: [push, pull_request]
+      
 volumes:
   build:
     host: