Bump esbuild from 0.21.4 to 0.21.5 in /assets

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.21.4 to 0.21.5.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.21.4...v0.21.5)

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

Signed-off-by: dependabot[bot] <[email protected]>