deps: bump eslint from 7.3.1 to 7.4.0 (#260)

Bumps [eslint](https://github.com/eslint/eslint) from 7.3.1 to 7.4.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v7.3.1...v7.4.0)

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

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

package.json

@@ -59,7 +59,7 @@
     "@types/node-fetch": "^2.5.7",
     "@typescript-eslint/parser": "^3.5.0",
     "@zeit/ncc": "^0.22.3",
-    "eslint": "^7.3.1",
+    "eslint": "^7.4.0",
     "husky": "^4.2.5",
     "jest": "^25.5.4",
     "jest-circus": "^26.1.0",