⬆️(frontend) upgrade livekit-client and @livekit/components-react

Bump livekit-client 2.20.0 -> 2.21.0 and
@livekit/components-react 2.9.21 -> 2.9.23. Patch/minor upgrade
with data streams v2, data channel flow control and reliability
fixes, iOS Safari double-playback fix, and a build-time type
resolution fix for `skipLibCheck: false`.

No breaking API changes.

src/frontend/package.json

@@ -19,7 +19,7 @@
     "@fontsource-variable/lexend": "5.2.11",
     "@fontsource/opendyslexic": "5.2.5",
     "@libreaudio/la-call": "0.1.4",
-    "@livekit/components-react": "2.9.21",
+    "@livekit/components-react": "2.9.23",
     "@livekit/components-styles": "1.2.0",
     "@livekit/track-processors": "0.7.2",
     "@mediapipe/tasks-vision": "0.10.14",
@@ -35,7 +35,7 @@
     "i18next-browser-languagedetector": "8.2.1",
     "i18next-parser": "9.4.0",
     "i18next-resources-to-backend": "1.2.1",
-    "livekit-client": "2.20.0",
+    "livekit-client": "2.21.0",
     "posthog-js": "1.404.1",
     "react": "18.3.1",
     "react-aria": "3.50.0",