relax fb version restriction

Author: morganchen12

FirebaseFacebookAuthUI.podspec

@@ -22,7 +22,7 @@ Pod::Spec.new do |s|
   s.dependency 'FirebaseAuth'
   s.dependency 'FirebaseCore'
   s.dependency 'FirebaseAuthUI'
-  s.dependency 'FBSDKLoginKit', '~> 12.0'
+  s.dependency 'FBSDKLoginKit', '>= 11.0', '< 13.0'
   s.dependency 'FBSDKCoreKit_Basics'
   s.resource_bundles = {
     'FirebaseFacebookAuthUI' => ['FirebaseFacebookAuthUI/Sources/{Resources,Strings}/*.{png,lproj}']

Package.swift

@@ -67,7 +67,7 @@ let package = Package(
     .package(
       name: "Facebook", 
       url: "https://github.com/facebook/facebook-ios-sdk.git",
-      from: "12.0.0"
+      "11.0.0"..<"13.0.0"
     ),
     .package(
       name: "Firebase",