chore(deps): update vaultwarden/server docker tag to v1.35.6

docker/vaultwarden/docker-compose.yml

@@ -1,7 +1,7 @@
 ---
 services:
   vaultwarden:
-    image: vaultwarden/server:1.35.4-alpine
+    image: vaultwarden/server:1.35.6-alpine
     restart: unless-stopped
     environment:
       DATABASE_URL: ${DATABASE_URL}