fix: add changed_when and fix type in service enable

tasks/main.yml

@@ -3,6 +3,7 @@
   ansible.builtin.command:
     cmd: docker run --rm hello-world:latest
   register: docker_output
+  changed_when: false
   failed_when: docker_output.rc != 0
   become: true
 
@@ -16,7 +17,7 @@
 
 - name: Enable Systemd Service
   ansible.builtin.systemd:
-    name: cve-scanner.service
+    name: oauth2-proxy.service
     state: started
     enabled: true
     daemon_reload: true