[pkg] Update eslint to version 7.2.0

Author: lpinca

package.json

@@ -46,7 +46,7 @@
     "benchmark": "^2.1.4",
     "bufferutil": "^4.0.1",
     "coveralls": "^3.0.3",
-    "eslint": "^6.0.0",
+    "eslint": "^7.2.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-prettier": "^3.0.1",
     "mocha": "^7.0.0",