Update npm and node engines versions

Signed-off-by: Nextcloud bot <bot@nextcloud.com>

Author: nextcloud-bot

package.json

@@ -39,5 +39,9 @@
     "tslib": "^2.5.3",
     "typedoc": "^0.24.8",
     "typescript": "^4.9.5"
+  },
+  "engines": {
+    "node": "^16.0.0",
+    "npm": "^7.0.0 || ^8.0.0"
   }
 }