[v11] Update minimum platform versions for 11.0.0 (#13066)

FirebaseCoreInternal.podspec

@@ -18,10 +18,10 @@ Pod::Spec.new do |s|
   }
   s.social_media_url = 'https://twitter.com/Firebase'
 
-  ios_deployment_target = '10.0'
-  osx_deployment_target = '10.13'
-  tvos_deployment_target = '12.0'
-  watchos_deployment_target = '6.0'
+  ios_deployment_target = '12.0'
+  osx_deployment_target = '10.15'
+  tvos_deployment_target = '13.0'
+  watchos_deployment_target = '7.0'
 
   s.ios.deployment_target = ios_deployment_target
   s.osx.deployment_target = osx_deployment_target
@@ -36,7 +36,7 @@ Pod::Spec.new do |s|
     "#{s.module_name}_Privacy" => 'FirebaseCore/Internal/Sources/Resources/PrivacyInfo.xcprivacy'
   }
 
-  s.swift_version = '5.3'
+  s.swift_version = '5.9'
 
   s.dependency 'GoogleUtilities/NSData+zlib', '~> 8.0'