feat: update service versions and add backup configurations

- Update Authentik to 2025.6.4
- Update Dawarich and Karakeep to latest versions
- Add Paperless-NGX backup with S3 storage
- Improve GoToSocial backup configuration with better naming and retention
- Add dockcheck update labels for automated container monitoring

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

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

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

@@ -1,7 +1,7 @@
 version: "3.8"
 services:
   web:
-    image: ghcr.io/karakeep-app/karakeep:0.25.0
+    image: ghcr.io/karakeep-app/karakeep:latest
     restart: unless-stopped
     volumes:
       - data:/data