chore(deps): bump the npm-astro-dependencies group across 1 directory with 3 updates

Bumps the npm-astro-dependencies group with 3 updates in the /application directory: [@astrojs/rss](https://github.com/withastro/astro/tree/HEAD/packages/astro-rss), [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) and [astro-embed](https://github.com/delucis/astro-embed/tree/HEAD/packages/astro-embed).


Updates `@astrojs/rss` from 4.0.11 to 4.0.15
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro-rss/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/rss@4.0.15/packages/astro-rss)

Updates `@astrojs/sitemap` from 3.3.0 to 3.7.0
- [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/sitemap@3.7.0/packages/integrations/sitemap)

Updates `astro-embed` from 0.9.0 to 0.12.0
- [Release notes](https://github.com/delucis/astro-embed/releases)
- [Changelog](https://github.com/delucis/astro-embed/blob/main/packages/astro-embed/CHANGELOG.md)
- [Commits](https://github.com/delucis/astro-embed/commits/astro-embed@0.12.0/packages/astro-embed)

---
updated-dependencies:
- dependency-name: "@astrojs/rss"
  dependency-version: 4.0.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-astro-dependencies
- dependency-name: "@astrojs/sitemap"
  dependency-version: 3.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm-astro-dependencies
- dependency-name: astro-embed
  dependency-version: 0.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm-astro-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]