feat: Setting mininum watchOS version to 9 (aws-amplify#3229)

Author: sebaland

Package.swift

@@ -6,7 +6,7 @@ let platforms: [SupportedPlatform] = [
     .iOS(.v13),
     .macOS(.v10_15),
     .tvOS(.v13),
-    .watchOS(.v7)
+    .watchOS(.v9)
 ]
 let dependencies: [Package.Dependency] = [
     .package(url: "https://github.com/awslabs/aws-sdk-swift.git", exact: "0.13.0"),

README.md

@@ -32,7 +32,7 @@ The Amplify Library for Swift is layered on the [AWS SDK for Swift](https://aws.
 | iOS       | 13+       | GA            |
 | macOS     | 10.15+    | GA            |
 | tvOS      | 13+       | GA            |
-| watchOS   | 7+        | GA            |
+| watchOS   | 9+        | GA            |
 | visionOS  | 1+        | Preview*      |
 
 > To use Amplify Swift with visionOS, you'll need to target the `visionos-preview` branch.