Bump esbuild from 0.20.2 to 0.21.4

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.20.2 to 0.21.4.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.20.2...v0.21.4)

---
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

@@ -37,7 +37,7 @@
         "@typescript-eslint/eslint-plugin": "7.9.0",
         "@typescript-eslint/parser": "7.8.0",
         "antlr4ng-cli": "2.0.0",
-        "esbuild": "0.20.2",
+        "esbuild": "0.21.4",
         "eslint": "8.57.0",
         "eslint-plugin-import": "2.29.1",
         "eslint-plugin-jsdoc": "48.2.3",