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/gotify/compose.yaml

@@ -8,8 +8,8 @@ services:
     volumes:
       - gotify_data:/app/data
     environment:
-      - GOTIFY_DEFAULTUSER_NAME=${SECRET:gotify-admin-user}
-      - GOTIFY_DEFAULTUSER_PASS=${SECRET:gotify-admin-pass}
+      - GOTIFY_DEFAULTUSER_NAME=${GOTIFY_ADMIN_USER}
+      - GOTIFY_DEFAULTUSER_PASS=${GOTIFY_ADMIN_PASS}
     networks:
       - gotify-network
     healthcheck: