fix: Correct environment variable syntax for Komodo Secrets

- Replace ${SECRET:name} with ${NAME} format
- Replace hyphens with underscores in variable names
- Affected: gotify, grafana, vaultwarden, obsidian-livesync

stacks/vaultwarden/compose.yaml

@@ -8,7 +8,7 @@ services:
     volumes:
       - vaultwarden_data:/data
     environment:
-      - ADMIN_TOKEN=${SECRET:vaultwarden-admin-token}
+      - ADMIN_TOKEN=${VAULTWARDEN_ADMIN_TOKEN}
       - WEBSOCKET_ENABLED=true
       - SIGNUPS_ALLOWED=false
     networks: