Bump @astrojs/sitemap from 3.6.1 to 3.7.0

Bumps [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) from 3.6.1 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)

---
updated-dependencies:
- dependency-name: "@astrojs/sitemap"
  dependency-version: 3.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

bun.lock

@@ -46,7 +46,7 @@
     "@astrojs/mdx": "4.3.13",
     "@astrojs/react": "4.4.2",
     "@astrojs/rss": "4.0.14",
-    "@astrojs/sitemap": "3.6.1",
+    "@astrojs/sitemap": "3.7.0",
     "@fontsource-variable/public-sans": "^5.2.7",
     "@fontsource-variable/source-code-pro": "^5.2.7",
     "@fontsource-variable/source-serif-4": "^5.2.9",