chore(deps): update dependency lerna to v6

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
     "eslint-plugin-react": "^7.22.0",
     "execa": "^5.0.0",
     "git-remote-origin-url": "^3.1.0",
-    "lerna": "^3.22.1",
+    "lerna": "^6.6.1",
     "npm-name": "^6.0.1",
     "plop": "^2.7.4"
   }