feat: enhance Replicated Registry proxy configuration

- Update proxy image configurations for wgEasy, traefik, and certManager
- Use specific registry paths for improved proxy routing
- Enhance container image handling in replicated environment

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

Co-Authored-By: Claude <[email protected]>

Author: adamancini

applications/wg-easy/helmfile.yaml.gotmpl

@@ -39,7 +39,7 @@ environments:
           traefik:
             image:
               registry: proxy.replicated.com/proxy/wg-easy-cre/index.docker.io
-              repository: traefik/traefik
+              repository: library/traefik
           certManager:
             image:
               registry: proxy.replicated.com/proxy/wg-easy-cre/quay.io