Bump @astrojs/sitemap from 3.1.3 to 3.1.4

Bumps [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) from 3.1.3 to 3.1.4.
- [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: "@astrojs/sitemap"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -23,7 +23,7 @@
 	"dependencies": {
 		"@astrojs/check": "0.5.10",
 		"@astrojs/prefetch": "0.4.1",
-		"@astrojs/sitemap": "3.1.3",
+		"@astrojs/sitemap": "3.1.4",
 		"@playform/build": "0.0.7",
 		"@playform/compress": "0.0.3",
 		"@playform/format": "0.0.2",