Bump eslint from 7.4.0 to 7.31.0 (#4)

Bumps [eslint](https://github.com/eslint/eslint) from 7.4.0 to 7.31.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v7.4.0...v7.31.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -40,7 +40,7 @@
     "@typescript-eslint/parser": "^2.27.0",
     "@zeit/ncc": "^0.22.1",
     "concurrently": "^5.1.0",
-    "eslint": "^7.4.0",
+    "eslint": "^7.31.0",
     "eslint-plugin-github": "^4.1.1",
     "eslint-plugin-jest": "^23.8.2",
     "glob": "^7.1.6",