Bump eslint from 7.6.0 to 7.7.0

Bumps [eslint](https://github.com/eslint/eslint) from 7.6.0 to 7.7.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v7.6.0...v7.7.0)

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

Author: dependabot[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "@types/socket.io": "^2.1.11",
     "@types/sqlite3": "^3.1.6",
     "babel-eslint": "^10.1.0",
-    "eslint": "^7.6.0",
+    "eslint": "^7.7.0",
     "eslint-config-airbnb": "^18.2.0",
     "mocha": "^8.1.1"
   }