Bump engine.io from 6.2.0 to 6.2.1 in /ui

Bumps [engine.io](https://github.com/socketio/engine.io) from 6.2.0 to 6.2.1.
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/engine.io/compare/6.2.0...6.2.1)

---
updated-dependencies:
- dependency-name: engine.io
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

ui/package-lock.json

@@ -5207,9 +5207,9 @@
       }
     },
     "node_modules/engine.io": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
-      "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.1.tgz",
+      "integrity": "sha512-ECceEFcAaNRybd3lsGQKas3ZlMVjN3cyWwMP25D2i0zWfyiytVbTpRPa34qrr+FHddtpBVOmq4H/DCv1O0lZRA==",
       "dependencies": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
@@ -15658,9 +15658,9 @@
       }
     },
     "engine.io": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
-      "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.1.tgz",
+      "integrity": "sha512-ECceEFcAaNRybd3lsGQKas3ZlMVjN3cyWwMP25D2i0zWfyiytVbTpRPa34qrr+FHddtpBVOmq4H/DCv1O0lZRA==",
       "requires": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",