update fcm sdk and use new api

Author: krdevbuild

plugin.xml

@@ -90,9 +90,9 @@ xmlns:android="http://schemas.android.com/apk/res/android">
 		<header-file src="src/ios/FirebasePlugin.h" />
 		<source-file src="src/ios/FirebasePlugin.m" />
 
-		<framework src="Firebase/Crashlytics" type="podspec" spec="6.32.2" />
-		<framework src="Firebase/Analytics" type="podspec" spec="6.32.2" />
-		<framework src="Firebase/Messaging" type="podspec" spec="6.32.2" />
+		<framework src="Firebase/Crashlytics" type="podspec" spec="6.33.0" />
+		<framework src="Firebase/Analytics" type="podspec" spec="6.33.0" />
+		<framework src="Firebase/Messaging" type="podspec" spec="6.33.0" />
 	</platform>
 
 	<platform name="browser">

src/ios/FirebasePlugin.m

@@ -29,9 +29,9 @@ - (void)pluginInitialize {
 - (void) getInstanceId:(CDVInvokedUrlCommand *)command {
     @try {
         [self registerForRemoteNotification];
-        [[FIRInstanceID instanceID] instanceIDWithHandler:^(FIRInstanceIDResult * _Nullable result, NSError * _Nullable error) {
-            if (error == nil && result.token != nil) {
-                [self sendPluginSuccessWithMessage:result.token command:command];
+        [[FIRMessaging messaging] tokenWithCompletion:^(NSString * _Nullable token, NSError * _Nullable error) {
+            if (error == nil && token != nil) {
+                [self sendPluginSuccessWithMessage:token command:command];
             } else {
                 [self sendPluginErrorWithError:error command:command];
             }
@@ -181,7 +181,7 @@ - (void)unregister:(CDVInvokedUrlCommand *)command {
         [self runOnMainThread:^{
             [[UIApplication sharedApplication] unregisterForRemoteNotifications];
         }];
-        [[FIRInstanceID instanceID] deleteIDWithHandler:^void(NSError *_Nullable error) {
+        [[FIRMessaging messaging] deleteDataWithCompletion:^(NSError * _Nullable error) {
             if (error) {
                 [self sendPluginErrorWithError:error command:command];
             } else {