fix: Disable git clone in Woodpecker CI pipeline

- Add clone.disabled=true to prevent git clone failures
- Enhanced echo messages for better pipeline visibility
- Pipeline should now run successfully with Podman backend

.woodpecker.yml

@@ -1,5 +1,10 @@
+clone:
+  disabled: true
+
 steps:
   hello:
     image: alpine
     commands:
-      - echo "Hello World"
+      - echo "Hello World from Woodpecker CI!"
+      - echo "Pipeline läuft erfolgreich mit Podman-Backend"
+      - date