Bump esbuild-loader from 4.2.2 to 4.3.0 in /XtermBlazor/src

Bumps [esbuild-loader](https://github.com/privatenumber/esbuild-loader) from 4.2.2 to 4.3.0.
- [Release notes](https://github.com/privatenumber/esbuild-loader/releases)
- [Commits](privatenumber/esbuild-loader@v4.2.2...v4.3.0)

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

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

Author: dependabot[bot]