feat(native-participants-pane) updated podfile

ios/Podfile

@@ -58,6 +58,7 @@ target 'JitsiMeetSDK' do
   pod 'react-native-calendar-events', :path => '../node_modules/react-native-calendar-events'
   pod 'react-native-keep-awake', :path => '../node_modules/react-native-keep-awake'
   pod 'react-native-netinfo', :path => '../node_modules/@react-native-community/netinfo'
+  pod 'react-native-slider', :path => '../node_modules/@react-native-community/slider'
   pod 'react-native-splash-screen', :path => '../node_modules/react-native-splash-screen'
   pod 'react-native-webview', :path => '../node_modules/react-native-webview'
   pod 'react-native-webrtc', :path => '../node_modules/react-native-webrtc'