chore(deps): update eslint packages to v4

BREAKING CHANGE: minimum @typescript-eslint/eslint-plugin version bumped
to 4.0.1

package.json

@@ -59,7 +59,7 @@
     "TypeScript"
   ],
   "dependencies": {
-    "@typescript-eslint/parser": "^3.2.0",
+    "@typescript-eslint/parser": "^4.0.0",
     "eslint-config-standard": "^14.1.1"
   },
   "peerDependencies": {
@@ -69,14 +69,14 @@
     "eslint-plugin-promise": ">=4.2.1",
     "eslint-plugin-standard": ">=4.0.0",
     "typescript": ">=3.9",
-    "@typescript-eslint/eslint-plugin": ">=3.2.0"
+    "@typescript-eslint/eslint-plugin": ">=4.0.1"
   },
   "devDependencies": {
     "@commitlint/cli": "9.1.2",
     "@commitlint/travis-cli": "9.1.2",
     "@types/eslint": "7.2.2",
     "@types/node": "14.6.2",
-    "@typescript-eslint/eslint-plugin": "3.2.0",
+    "@typescript-eslint/eslint-plugin": "4.0.1",
     "ava": "3.12.1",
     "commitlint-config-awesome": "1.0.4",
     "editorconfig-checker": "3.1.0",