chore(release): Bump version for next semver-conform release [ci skip]

Author: MarcusNotheis

lerna.json

@@ -2,7 +2,7 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.2.1-rc.3",
+  "version": "0.3.0-rc.0",
   "npmClient": "yarn",
   "useWorkspaces": true,
   "command": {