chore(deps) react-native-webrtc@1.89.2

THe new version fixed a longstanding problem with RN not updating the JS side
SDP representation properly. This will allow us to remove a hack we currently
have to sidestep this.

ios/Podfile.lock

     - React
   - react-native-splash-screen (3.2.0):
     - React
-  - react-native-webrtc (1.89.1):
+  - react-native-webrtc (1.89.3):
     - React-Core
   - react-native-webview (11.0.2):
     - React-Core
   react-native-netinfo: 8d8db463bcc5db66a8ac5c48a7d86beb3b92f61a
   react-native-slider: b733e17fdd31186707146debf1f04b5d94aa1a93
   react-native-splash-screen: 200d11d188e2e78cea3ad319964f6142b6384865
-  react-native-webrtc: ccb0c21eb4fb04326648fbdb4a5d49977e2cf274
+  react-native-webrtc: 2e8095a43dd3d95ce796d9750280c0f48aadad3d
   react-native-webview: b2542d6fd424bcc3e3b2ec5f854f0abb4ec86c87
   React-RCTActionSheet: bcbc311dc3b47bc8efb2737ff0940239a45789a9
   React-RCTAnimation: 65f61080ce632f6dea23d52e354ffac9948396c6

package-lock.json

       "integrity": "sha512-iqdJ1KpZbR4XGahgVmaeibB7kDhyMT7wrylINgJaYBY38IAiI0LF32VX1umO4pko6n21YF5I/kSeNQ+OXGqqow=="
     },
     "react-native-webrtc": {
-      "version": "github:react-native-webrtc/react-native-webrtc#510d20dd62c1768885a98f36fde83f9e48a723fa",
-      "from": "github:react-native-webrtc/react-native-webrtc#510d20dd62c1768885a98f36fde83f9e48a723fa",
+      "version": "1.89.3",
+      "resolved": "https://registry.npmjs.org/react-native-webrtc/-/react-native-webrtc-1.89.3.tgz",
+      "integrity": "sha512-K6GbLfOeOhJuxgWx8NKoSMnvl6hkqqOCUHZISABOspj00CXNtJgKvFBuCi+fBeNT/RribOODBFxK2sfHqRz7Ww==",
       "requires": {
         "base64-js": "^1.1.2",
         "cross-os": "^1.3.0",

package.json

     "react-native-svg-transformer": "0.14.3",
     "react-native-url-polyfill": "1.2.0",
     "react-native-watch-connectivity": "0.4.3",
-    "react-native-webrtc": "github:react-native-webrtc/react-native-webrtc#510d20dd62c1768885a98f36fde83f9e48a723fa",
+    "react-native-webrtc": "1.89.3",
     "react-native-webview": "11.0.2",
     "react-native-youtube-iframe": "1.2.3",
     "react-redux": "7.1.0",