fix(lerna): downgrade Lerna to previous version to fix thread leaking (…

…#281)

- upgrading to latest version of Lerna 4.0.0 has a major side effect of NodeJS threads not being disposed after stopping the project

package.json

@@ -66,7 +66,7 @@
     "jest-junit": "^12.0.0",
     "jsdom": "^16.4.0",
     "jsdom-global": "^3.0.2",
-    "lerna": "^4.0.0",
+    "lerna": "^3.22.1",
     "mocha": "^8.3.0",
     "mochawesome": "^6.2.2",
     "npm-run-all": "^4.1.5",