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

FirebaseInAppMessaging.podspec

@@ -17,10 +17,10 @@ See more product details at https://firebase.google.com/products/in-app-messagin
     :tag => 'CocoaPods-' + s.version.to_s
   }
   s.social_media_url = 'https://twitter.com/Firebase'
-  s.ios.deployment_target = '11.0'
-  s.tvos.deployment_target = '12.0'
+  s.ios.deployment_target = '13.0'
+  s.tvos.deployment_target = '13.0'
 
-  s.swift_version = '5.3'
+  s.swift_version = '5.9'
 
   s.cocoapods_version = '>= 1.12.0'
   s.prefix_header_file = false