Bump eslint from 2.13.1 to 7.5.0

Bumps [eslint](https://github.com/eslint/eslint) from 2.13.1 to 7.5.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v2.13.1...v7.5.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/YaleSTC/reservations#readme",
   "devDependencies": {
-    "eslint": "^2.12.0",
+    "eslint": "^7.5.0",
     "eslint-config-standard": "^5.3.1",
     "eslint-plugin-standard": "^1.3.2"
   },