title: Fastlane error in android apk build 'increment_version_code'
body: <p>I am getting the errors in the fastlane for building a signed apk as an assembleRelease apk and i want to deploy the update on the playstore but when i firing the fastlane command at the time i am getting the error for the <strong>increment_version_code</strong>.</p>
  
  <pre><code>Shubhams-MacBook-Air:ProjectPath shubhamsejpal$ fastlane beta
  [✔]  
  [23:33:51]: fastlane detected a Gemfile in the current directory
  [23:33:51]: however it seems like you don't use `bundle exec`
  [23:33:51]: to launch fastlane faster, please use
  [23:33:51]: 
  [23:33:51]: $ bundle exec fastlane beta
  [23:33:51]: 
  [23:33:51]: Get started using a Gemfile for fastlane https://docs.fastlane.tools/getting-started/ios/setup/#use-a-gemfile
  [23:33:51]: WARNING: fastlane requires your locale to be set to UTF-8. To learn more go to https://docs.fastlane.tools/getting-started/ios/setup/#set-up-environment-variables
  [23:33:52]: ----------------------------------------
  [23:33:52]: --- Step: Verifying fastlane version ---
  [23:33:52]: ----------------------------------------
  [23:33:52]: Your fastlane version 2.90.0 matches the minimum requirement of 2.64.0  ✅
  [23:33:52]: ------------------------------
  [23:33:52]: --- Step: default_platform ---
  [23:33:52]: ------------------------------
  [23:33:52]: Driving the lane 'android beta' 
  +------------------+--------------+
  |          Lane Context           |
  +------------------+--------------+
  | DEFAULT_PLATFORM | android      |
  | PLATFORM_NAME    | android      |
  | LANE_NAME        | android beta |
  +------------------+--------------+
  [23:33:52]: Could not find action, lane or variable 'increment_version_code'. Check out the documentation for more details: https://docs.fastlane.tools/actions
  
  +------+---------------------+-------------+
  |             fastlane summary             |
  +------+---------------------+-------------+
  | Step | Action              | Time (in s) |
  +------+---------------------+-------------+
  | 1    | Verifying fastlane  | 0           |
  |      | version             |             |
  | 2    | default_platform    | 0           |
  +------+---------------------+-------------+
  
  [23:33:52]: fastlane finished with errors
  
  [!] Could not find action, lane or variable 'increment_version_code'. Check out the documentation for more details: https://docs.fastlane.tools/actions
  [23:33:52]: WARNING: fastlane requires your locale to be set to UTF-8. To learn more go to https://docs.fastlane.tools/getting-started/ios/setup/#set-up-environment-variables
  </code></pre>