build(deps-dev): bump eslint from 7.20.0 to 7.21.0 (typestack#619)

Author: dependabot[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "@types/node": "^14.14.31",
     "@typescript-eslint/eslint-plugin": "^4.16.1",
     "@typescript-eslint/parser": "^4.15.2",
-    "eslint": "^7.20.0",
+    "eslint": "^7.21.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-jest": "^24.1.5",
     "husky": "^4.3.8",