chore(deps): update dependency eslint to v7.7.0

Author: renovate-bot

package-lock.json

@@ -39,7 +39,7 @@
     "@types/mocha": "8.0.2",
     "@types/node": "12.12.54",
     "chai": "4.2.0",
-    "eslint": "7.6.0",
+    "eslint": "7.7.0",
     "eslint-plugin-array-func": "3.1.7",
     "eslint-plugin-eslint-comments": "3.2.0",
     "eslint-plugin-import": "2.22.0",