memos: target memos and edge groups instead of hostnames

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

ansible/services/memos/deploy_memos_playbook.yml

@@ -1,5 +1,5 @@
 - name: Deploy Memos on memos-box
-  hosts: memos_box_local
+  hosts: memos
   become: yes
   vars_files:
     - ../../infra_vars.yml
@@ -146,7 +146,7 @@
 
 
 - name: Configure Caddy reverse proxy for Memos on vipy (proxying via Tailscale)
-  hosts: vipy
+  hosts: edge
   become: yes
   vars_files:
     - ../../infra_vars.yml