build: Update fcm shared isolate

lib/utils/background_push.dart

@@ -124,7 +124,7 @@ class BackgroundPush {
       //<GOOGLE_SERVICES>firebase.setListeners(
       //<GOOGLE_SERVICES>  onMessage: (message) => pushHelper(
       //<GOOGLE_SERVICES>    PushNotification.fromJson(
-      //<GOOGLE_SERVICES>      Map<String, dynamic>.from(message['data'] ?? message),
+      //<GOOGLE_SERVICES>       message.tryGetMap<String, Object>('data') ?? message,
       //<GOOGLE_SERVICES>    ),
       //<GOOGLE_SERVICES>    client: client,
       //<GOOGLE_SERVICES>    l10n: l10n,

scripts/add-firebase-messaging.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-flutter pub add fcm_shared_isolate:0.2.0
+flutter pub add fcm_shared_isolate
 flutter pub get
 
 if [[ "$OSTYPE" == "darwin"* ]]; then

scripts/release-ios-testflight.sh

@@ -1,5 +1,5 @@
 #!/bin/sh -ve
-flutter pub add fcm_shared_isolate:0.2.0
+flutter pub add fcm_shared_isolate
 sed -i '' 's,//<GOOGLE_SERVICES>,,g' lib/utils/background_push.dart
 flutter clean
 flutter pub get