Bumped version to 3.9.0 (#281)

Bumped WorkflowSwiftUIExperimental to verson 0.5

Author: mjohnson12

Diff for: WorkflowSwiftUIExperimental.podspec

@@ -2,7 +2,7 @@ require_relative('version')
 
 Pod::Spec.new do |s|
     s.name         = 'WorkflowSwiftUIExperimental'
-    s.version      = '0.4'
+    s.version      = '0.5'
     s.summary      = 'Infrastructure for Workflow-powered SwiftUI'
     s.homepage     = 'https://www.github.com/square/workflow-swift'
     s.license      = 'Apache License, Version 2.0'

Diff for: version.rb

@@ -2,7 +2,7 @@
 
 # The primary version numbers for Workflow-related pods
 WORKFLOW_MAJOR_VERSION ||= '3'
-WORKFLOW_MINOR_VERSION ||= '8'
+WORKFLOW_MINOR_VERSION ||= '9'
 WORKFLOW_PATCH_VERSION ||= '0'
 WORKFLOW_VERSION ||= "#{WORKFLOW_MAJOR_VERSION}.#{WORKFLOW_MINOR_VERSION}.#{WORKFLOW_PATCH_VERSION}"