fix(publish): fix set isProdRelease

Author: lgaticaq

lib/publish.js

@@ -52,7 +52,7 @@ module.exports = async (pluginConfig, { nextRelease: { version }, logger }) => {
     const minor = semver.minor(version)
     const patch = semver.patch(version)
     const prerelease = semver.prerelease(version)
-    const isProdRelease = prerelease.length === 0
+    const isProdRelease = !prerelease || prerelease.length === 0
 
     // first release version as it is
     await publish(version)