feat: enable automatic container updates with dockcheck labels

- Configure dockcheck for automatic updates instead of check-only mode
- Add dockcheck update labels to Calibre and Changedetection services
- Enable OnlyLabel and AutoMode for targeted container management

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/cron/templates/dockcheck.config.j2

@@ -1,6 +1,8 @@
 # Dockcheck Configuration - Check only, no updates
 # Don't update, just check for updates
-DontUpdate=true
+# DontUpdate=true
+OnlyLabel=true
+AutoMode=true 
 
 # Enable notifications
 Notify=true

roles/docker/templates/calibre-compose.yml.j2

@@ -18,6 +18,7 @@ services:
       glance.icon: si:calibreweb
       glance.url: https://{{ subdomains.books }}/
       glance.description: Book server
+      mag37.dockcheck.update: true
 volumes:
   config:
     driver: local

roles/docker/templates/changedetection-compose.yml.j2

@@ -10,6 +10,7 @@ services:
         glance.url: https://{{ subdomains.watcher }}/
         glance.description: Changedetection
         glance.id: changedetection
+        mag37.dockcheck.update: true
       volumes:
         - changedetection-data:/datastore
 # Configurable proxy list support, see https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration#proxy-list-support
@@ -96,6 +97,7 @@ services:
         labels:
           glance.parent: changedetection
           glance.name: Browser
+          mag37.dockcheck.update: true
         image: dgtlmoon/sockpuppetbrowser:latest
         cap_add:
             - SYS_ADMIN