build: switch to release publish app (#248)

* build: switch to release publish app

* chore: restore publish-reporter-script

.kokoro/release/stage.cfg

@@ -13,32 +13,7 @@ action {
   }
 }
 
-# Fetch the token needed for reporting release status to GitHub
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "yoshi-automation-github-key"
-    }
-  }
-}
-
-# Fetch magictoken to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "releasetool-magictoken"
-    }
-  }
-}
-
-# Fetch api key to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "magic-github-proxy-api-key"
-    }
-  }
+env_vars: {
+  key: "SECRET_MANAGER_KEYS"
+  value: "releasetool-publish-reporter-app,releasetool-publish-reporter-googleapis-installation,releasetool-publish-reporter-pem"
 }

.kokoro/release/stage.sh

@@ -16,9 +16,8 @@
 set -eo pipefail
 
 # Start the releasetool reporter
-# Disable reporting due to issue observed with Kokoro blocking releases
-# python3 -m pip install gcp-releasetool
-# python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
+python3 -m pip install gcp-releasetool
+python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
 
 source $(dirname "$0")/common.sh
 MAVEN_SETTINGS_FILE=$(realpath $(dirname "$0")/../../)/settings.xml