Merge pull request #2597 from emqx/dev/1.9.0

Sync code from refs/heads/dev/1.9.0 to enterprise

scripts/checkPackageVersion.js

@@ -24,7 +24,7 @@ const check = async () => {
   if (emqxVersion !== packageVersion) {
     console.log('EMQX Version:', emqxVersion)
     console.log('Package Version:', packageVersion)
-    throw new Error('EMQX version and package version are not the same!')
+    console.warn('EMQX version and package version are not the same!')
   }
 }