chore(deps): update dependency chai to v4.3.6

Author: renovate-bot

package-lock.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "16.0.0",
-    "chai": "4.2.0",
+    "chai": "4.3.6",
     "eslint": "7.18.0",
     "eslint-config-prettier": "6.15.0",
     "eslint-config-prettier-standard": "3.0.1",