chore(deps-dev): bump @antfu/eslint-config from 0.20.7 to 0.21.0 (#3)

Bumps @antfu/eslint-config from 0.20.7 to 0.21.0.

---
updated-dependencies:
- dependency-name: "@antfu/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -30,7 +30,7 @@
     "devDependencies": {
         "@actions/exec": "^1.1.1",
         "@actions/github": "^5.0.1",
-        "@antfu/eslint-config": "^0.20.2",
+        "@antfu/eslint-config": "^0.21.0",
         "@types/conventional-changelog": "^3.1.1",
         "@types/node": "^17.0.23",
         "@typescript-eslint/parser": "^5.8.1",