chore(deps): update dependency eslint to v8.21.0

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "@shelf/tsconfig": "0.0.6",
     "@types/jest": "28.1.6",
     "@types/node": "16",
-    "eslint": "8.20.0",
+    "eslint": "8.21.0",
     "husky": "8.0.1",
     "jest": "28.1.3",
     "lint-staged": "13.0.3",