message: chore(build): inject yoshi automation key
diff: @@ -9,6 +9,14 @@ before_action {
  }
  }
  +before_action {
  + fetch_keystore {
  + keystore_resource {
  + keystore_config_id: 73713
  + keyname: "yoshi-automation-github-key"
  + }
  + }
  +}
  # Download trampoline resources.
  gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
  