Bump @typescript-eslint/eslint-plugin from 3.0.2 to 3.1.0 (#269)

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 3.0.2 to 3.1.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v3.1.0/packages/eslint-plugin)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -70,7 +70,7 @@
     "@kollavarsham/gulp-coveralls": "^0.3.0",
     "@types/chai": "^4.2.11",
     "@types/mocha": "^7.0.2",
-    "@typescript-eslint/eslint-plugin": "^3.0.2",
+    "@typescript-eslint/eslint-plugin": "^3.1.0",
     "@typescript-eslint/parser": "^3.0.2",
     "chai": "^4.2.0",
     "del": "^5.1.0",