Update Package.swift and README

Author: MatkovIvan

Package.swift

@@ -5,9 +5,9 @@ import PackageDescription
 let package = Package(
     name: "PLCrashReporter",
     platforms: [
-        .iOS(.v9),
+        .iOS(.v11),
         .macOS(.v10_10),
-        .tvOS(.v9)
+        .tvOS(.v11)
     ],
     products: [
         .library(name: "CrashReporter", targets: ["CrashReporter"])

README.md

@@ -20,7 +20,7 @@ The easiest way to use PLCrashReporter is by using [AppCenter](https://appcenter
 ## Prerequisites
 
 - Xcode 11 or above.
-- Minimum supported platforms: iOS 9, macOS 10.9, tvOS 9, Mac Catalyst 13.0.
+- Minimum supported platforms: iOS 11, macOS 10.9, tvOS 11, Mac Catalyst 13.0.
 
 ## Decoding Crash Reports