Bump esbuild from 0.20.2 to 0.21.0

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.20.2 to 0.21.0.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.20.2...v0.21.0)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -25,7 +25,7 @@
     "@typescript-eslint/eslint-plugin": "^7.0.2",
     "@typescript-eslint/parser": "^7.1.0",
     "auto-changelog": "^2.4.0",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.21.0",
     "eslint": "^8.57.0",
     "eslint-config-standard": "^17.1.0",
     "tap-spec": "^5.0.0",