chore(deps): bump @astrojs/sitemap from 3.2.1 to 3.3.1

Bumps [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) from 3.2.1 to 3.3.1.
- [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@3.3.1/packages/integrations/sitemap)

---
updated-dependencies:
- dependency-name: "@astrojs/sitemap"
  dependency-version: 3.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -19,7 +19,7 @@
 		"@astrojs/mdx": "4.0.8",
 		"@astrojs/react": "^4.2.0",
 		"@astrojs/rss": "4.0.11",
-		"@astrojs/sitemap": "3.2.1",
+		"@astrojs/sitemap": "3.3.1",
 		"@giscus/react": "^3.1.0",
 		"@tailwindcss/vite": "4.0.7",
 		"astro": "5.2.5",