release commit may contain co-author

Author: devjiwonchoi

scripts/check-is-release.js

@@ -14,11 +14,14 @@ const checkIsRelease = async () => {
   const versionString = commitMsg.split(' ').pop().trim()
   const publishMsgRegex = /^v\d{1,}\.\d{1,}\.\d{1,}(-\w{1,}\.\d{1,})?$/
   const newPublishMsgRegex = /^Version Packages( \((canary|rc)\))?( \(#\d+\))?$/
+  // When the "Version Packages" PR is merged, it may contain "\n"
+  // in the message when co-authored, so split and get the first one.
+  const newPublishPrMessage = commitMsg.split('\n')[0]
 
   if (publishMsgRegex.test(versionString)) {
     console.log(versionString)
     process.exit(0)
-  } else if (newPublishMsgRegex.test(commitMsg)) {
+  } else if (newPublishMsgRegex.test(newPublishPrMessage)) {
     console.log('new-release')
     process.exit(0)
   } else {