[google_maps_flutter] Update app-facing package iOS requirements (#6552)

- Updates the README to indicate that iOS 12 and 13 are no longer supported.
- Updates the minimum version of the iOS implementation package to one with privacy manifest support. See related discussion in #6355

Author: stuartmorgan-g

packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md

@@ -1,3 +1,11 @@
+## 2.6.1
+
+* Updates the minimum version of the iOS implementation package to a version
+  with privacy manifest support.
+* Updates README and example app to reflect that the minimum supported version
+  is now iOS 14. Removal of support for iOS 12 and 13 was necessary due to the
+  upcoming App Store privary manifest requirements.
+
 ## 2.6.0
 
 * Adds `style` to the GoogleMap widget constructor. This allows setting the map

packages/google_maps_flutter/google_maps_flutter/README.md

@@ -8,7 +8,7 @@ A Flutter plugin that provides a [Google Maps](https://developers.google.com/map
 
 |             | Android | iOS     | Web                              |
 |-------------|---------|---------|----------------------------------|
-| **Support** | SDK 20+ | iOS 12+ | Same as [Flutter's][web-support] |
+| **Support** | SDK 20+ | iOS 14+ | Same as [Flutter's][web-support] |
 
 [web-support]: https://docs.flutter.dev/reference/supported-platforms
 

packages/google_maps_flutter/google_maps_flutter/example/ios/Podfile

@@ -1,5 +1,5 @@
-# Global platform version is set to 12 for this example project to support cloud-based maps styling
-platform :ios, '12.0'
+# The current iOS implementation only supports back to iOS 14.
+platform :ios, '14.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

packages/google_maps_flutter/google_maps_flutter/example/ios/Runner.xcodeproj/project.pbxproj

@@ -360,7 +360,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -411,7 +411,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";

packages/google_maps_flutter/google_maps_flutter/pubspec.yaml

@@ -2,7 +2,7 @@ name: google_maps_flutter
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 repository: https://github.com/flutter/packages/tree/main/packages/google_maps_flutter/google_maps_flutter
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+maps%22
-version: 2.6.0
+version: 2.6.1
 
 environment:
   sdk: ^3.3.0
@@ -23,7 +23,7 @@ dependencies:
     sdk: flutter
   google_maps_flutter_android: ^2.7.0
   google_maps_flutter_ios: ^2.5.0
-  google_maps_flutter_platform_interface: ^2.5.0
+  google_maps_flutter_platform_interface: ^2.6.0
   google_maps_flutter_web: ^0.5.6
 
 dev_dependencies: