Bump @web/dev-server-esbuild from 0.3.0 to 0.3.1 (#493)

Bumps [@web/dev-server-esbuild](https://github.com/modernweb-dev/web/tree/HEAD/packages/dev-server-esbuild) from 0.3.0 to 0.3.1.
- [Release notes](https://github.com/modernweb-dev/web/releases)
- [Changelog](https://github.com/modernweb-dev/web/blob/master/packages/dev-server-esbuild/CHANGELOG.md)
- [Commits](https://github.com/modernweb-dev/web/commits/@web/dev-server-esbuild@0.3.1/packages/dev-server-esbuild)

---
updated-dependencies:
- dependency-name: "@web/dev-server-esbuild"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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