build(deps): bump the npm_and_yarn group group with 2 updates

Bumps the npm_and_yarn group group with 2 updates: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) and [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap).


Updates `astro` from 3.1.3 to 4.0.4
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/[email protected]/packages/astro)

Updates `@astrojs/sitemap` from 3.0.0 to 3.0.3
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/sitemap/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/[email protected]/packages/integrations/sitemap)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:production
- dependency-name: "@astrojs/sitemap"
  dependency-type: direct:development
...

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