Update '.woodpecker.yml'

+ Bumped gradle version

.woodpecker.yml

@@ -1,19 +1,23 @@
-clone: 
-  git: 
-    image: "woodpeckerci/plugin-git:next"
-pipeline: 
-  compliance: 
-    commands: 
-      - "gradle build"
-      - "gradle test"
-    image: "gradle:7.3-jdk17"
-    when: 
-      event: pull_request
-  release: 
-    commands: 
-      - "gradle publish"
-    secrets: 
-      - maven_password
-    image: "gradle:7.3-jdk17"
-    when: 
-      branch: master
+clone:
+  git:
+    image: woodpeckerci/plugin-git:next
+
+pipeline:
+  compliance:
+      image: gradle:7.3-jdk17
+    commands:
+        - gradle build
+        - gradle test
+    when:
+        event: pull_request
+        
+  release:
+      image: gradle:7.3-jdk17
+    environment:
+        - MAVEN_PASSWORD: 
+          from_secret: maven_password
+    commands:
+        - gradle publish
+    when:
+        branch: master
+