(split)[core] Update lerna (cssinjs#962)

* Make all build scripts prepare and update lerna

* Remove unnecessary lerna key inside lerna.json

* Rename publish to publish-packages

* Update lerna.json

Author: Henri

package.json

@@ -34,7 +34,7 @@
     "decorator"
   ],
   "scripts": {
-    "build": "node ../../scripts/build.js",
+    "prepare": "node ../../scripts/build.js",
     "check-snapshot": "node ../../scripts/match-snapshot.js"
   },
   "peerDependencies": {