Replace unlocalized alert with debug log and bump podspec

Author: morganchen12

EmailAuth/FirebaseEmailAuthUI/FUIEmailAuth.m

@@ -218,7 +218,7 @@ - (BOOL)handleOpenURL:(NSURL *)URL sourceApplication:(nullable NSString *)source
     }
   }
   if (!continueURLString) {
-    [FUIAuthBaseViewController showAlertWithMessage:@"Invalid link! Missing continue URL."];
+    NSLog(@"FUIEmailAuth unable to handle url without continue URL: %@", URL);
     return NO;
   }
 

FirebaseUI.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FirebaseUI'
-  s.version      = '6.1.0'
+  s.version      = '6.1.1'
   s.summary      = 'UI binding libraries for Firebase.'
   s.homepage     = 'https://github.com/firebase/FirebaseUI-iOS'
   s.license      = { :type => 'Apache 2.0', :file => 'LICENSE' }