Update dependency eslint to v7.9.0 (#715)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package-lock.json

@@ -33,7 +33,7 @@
         "@typescript-eslint/eslint-plugin": "4.1.0",
         "@typescript-eslint/parser": "4.1.0",
         "babel-jest": "26.3.0",
-        "eslint": "7.8.1",
+        "eslint": "7.9.0",
         "husky": "4.3.0",
         "jest": "26.4.2",
         "lint-staged": "10.3.0",