Move create_release_management_pull_request to a new helper file

Author: oguzkocer

fastlane/Fastfile

@@ -48,6 +48,7 @@ REPOSITORY_NAME = 'WordPress-Android'
 ########################################################################
 # Import domain-specific lanes
 ########################################################################
+import 'helpers/github.rb'
 import 'lanes/build.rb'
 import 'lanes/localization.rb'
 import 'lanes/release.rb'

fastlane/helpers/github.rb

@@ -0,0 +1,10 @@
+def create_release_management_pull_request(base_branch, title)
+  create_pull_request(
+      api_token: ENV['GITHUB_TOKEN'],
+      repo: GHHELPER_REPO,
+      title: title,
+      head: Fastlane::Helper::GitHelper.current_git_branch,
+      base: base_branch,
+      labels: 'Releases'
+  )
+end

fastlane/lanes/release_management_in_ci.rb

@@ -62,18 +62,4 @@
       environment: { RELEASE_VERSION: release_version, EDITORIAL_BRANCH: editorial_branch }
     )
   end
-
-  #####################################################################################
-  # Release Management Utils
-  #####################################################################################
-  def create_release_management_pull_request(base_branch, title)
-    create_pull_request(
-        api_token: ENV['GITHUB_TOKEN'],
-        repo: GHHELPER_REPO,
-        title: title,
-        head: Fastlane::Helper::GitHelper.current_git_branch,
-        base: base_branch,
-        labels: 'Releases'
-    )
-  end
 end