chore(deps): update dependency lerna to v6

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "cross-env": "^7.0.2",
     "eslint": "^7.9.0",
     "eslint-config-makeomatic": "^5.0.3",
-    "lerna": "^3.22.1",
+    "lerna": "^6.0.0",
     "mocha": "^8.1.3",
     "nodemon": "^2.0.4",
     "nyc": "^15.1.0",