Bump version number

Author: mokagio

config/Version.Public.xcconfig

@@ -1,4 +1,4 @@
-VERSION_SHORT=8.1
+VERSION_SHORT=8.1.1
 
 // Public long version example: VERSION_LONG=1.2.0.0
-VERSION_LONG=8.1.0.2
+VERSION_LONG=8.1.1.0

fastlane/Deliverfile

@@ -13,7 +13,7 @@ app_identifier 'com.automattic.woocommerce'
 screenshots_path './fastlane/promo_screenshots/'
 
 # Make sure to update these keys for a new version
-app_version "8.1"
+app_version "8.1.1"
 
 team_id '299112'