Bump version to v2.2.0

Author: slawomirzaba

ContentPass.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name         = "ContentPass"
-  spec.version      = "2.1.0"
+  spec.version      = "2.2.0"
   spec.summary      = "Handles all authentication and validation with contentpass servers for you."
 
   spec.homepage     = "https://contentpass.de"

README.md

@@ -26,7 +26,7 @@ or
 * Add the following `dependency` to your `Package.swift`:
 ```swift
 dependencies: [
-    .package(url: "https://github.com/contentpass/contentpass-ios", .upToNextMajor(from: "2.1.0"))
+    .package(url: "https://github.com/contentpass/contentpass-ios", .upToNextMajor(from: "2.2.0"))
 ]
 ```
 
@@ -38,7 +38,7 @@ In both cases don't forget to add the sdk to your targets.
 
 With [CocoaPods](https://guides.cocoapods.org/using/getting-started.html), add the following line to your `Podfile`:
 ```ruby
-  pod 'ContentPass', '~> 2.0.0'
+  pod 'ContentPass', '~> 2.2.0'
 ```
 
 Then, run `pod install` via terminal.