build(deps-dev): bump esbuild-loader from 2.18.0 to 2.20.0 (#2969)

Bumps [esbuild-loader](https://github.com/privatenumber/esbuild-loader) from 2.18.0 to 2.20.0.
- [Release notes](https://github.com/privatenumber/esbuild-loader/releases)
- [Commits](privatenumber/esbuild-loader@v2.18.0...v2.20.0)

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

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

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

Author: dependabot[bot]