Bump @astrojs/sitemap from 3.7.0 to 3.7.1 (#3399)

Bumps [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) from 3.7.0 to 3.7.1.
- [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@3.7.1/packages/integrations/sitemap)

---
updated-dependencies:
- dependency-name: "@astrojs/sitemap"
  dependency-version: 3.7.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

landing/package.json

@@ -20,7 +20,7 @@
   "devDependencies": {
     "@astrojs/check": "^0.9.8",
     "@astrojs/rss": "^4.0.17",
-    "@astrojs/sitemap": "^3.7.0",
+    "@astrojs/sitemap": "^3.7.1",
     "@tailwindcss/typography": "^0.5.19",
     "@tailwindcss/vite": "^4.2.1",
     "sharp": "^0.34.5",