Update version number in README

2.0DB021 -> 2.0DB022

README.md

@@ -23,15 +23,15 @@ You can use [CocoaPods](https://cocoapods.org/) to install `CouchbaseLite` for O
 ```
 target '<your target name>' do
   use_frameworks!
-  pod 'CouchbaseLite', :git => 'https://github.com/couchbase/couchbase-lite-ios.git', :tag => '2.0DB021', :submodules => true
+  pod 'CouchbaseLite', :git => 'https://github.com/couchbase/couchbase-lite-ios.git', :tag => '2.0DB022', :submodules => true
 end
 ```
 
 #### CouchbaseLiteSwift (Swift API)
 ```
 target '<your target name>' do
   use_frameworks!
-  pod 'CouchbaseLiteSwift', :git => 'https://github.com/couchbase/couchbase-lite-ios.git', :tag => '2.0DB021', :submodules => true
+  pod 'CouchbaseLiteSwift', :git => 'https://github.com/couchbase/couchbase-lite-ios.git', :tag => '2.0DB022', :submodules => true
 end
 ```
 
@@ -40,7 +40,7 @@ end
 You can use [Carthage](https://github.com/Carthage/Carthage) to install `CouchbaseLite` by adding it in your [Cartfile](https://github.com/Carthage/Carthage/blob/master/Documentation/Artifacts.md#cartfile):
 
 ```
-github "couchbase/couchbase-lite-ios" "2.0DB021"
+github "couchbase/couchbase-lite-ios" "2.0DB022"
 ```
 
 > When running `carthage update or build`, Carthage will build both CouchbaseLite and CouchbaseLiteSwift framework.