build(deps): bump the astro group across 1 directory with 6 updates

Bumps the astro group with 6 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [@astrojs/vercel](https://github.com/withastro/astro/tree/HEAD/packages/integrations/vercel) | `7.6.0` | `7.7.2` |
| [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) | `4.8.6` | `4.12.2` |
| [@astrojs/markdown-remark](https://github.com/withastro/astro/tree/HEAD/packages/markdown/remark) | `5.1.0` | `5.2.0` |
| [@astrojs/mdx](https://github.com/withastro/astro/tree/HEAD/packages/integrations/mdx) | `3.0.0` | `3.1.3` |
| [@astrojs/rss](https://github.com/withastro/astro/tree/HEAD/packages/astro-rss) | `4.0.6` | `4.0.7` |
| [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) | `3.1.4` | `3.1.6` |



Updates `@astrojs/vercel` from 7.6.0 to 7.7.2
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/vercel/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/[email protected]/packages/integrations/vercel)

Updates `astro` from 4.8.6 to 4.12.2
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/[email protected]/packages/astro)

Updates `@astrojs/markdown-remark` from 5.1.0 to 5.2.0
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/markdown/remark/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/[email protected]/packages/markdown/remark)

Updates `@astrojs/mdx` from 3.0.0 to 3.1.3
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/mdx/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/[email protected]/packages/integrations/mdx)

Updates `@astrojs/rss` from 4.0.6 to 4.0.7
- [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/[email protected]/packages/astro-rss)

Updates `@astrojs/sitemap` from 3.1.4 to 3.1.6
- [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/vercel"
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: astro
- dependency-name: astro
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: astro
- dependency-name: "@astrojs/markdown-remark"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: astro
- dependency-name: "@astrojs/mdx"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: astro
- dependency-name: "@astrojs/rss"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: astro
- dependency-name: "@astrojs/sitemap"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: astro
...

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

package.json

@@ -15,9 +15,9 @@
     "codegen": "graphql-codegen"
   },
   "dependencies": {
-    "@astrojs/vercel": "7.6.0",
+    "@astrojs/vercel": "7.7.2",
     "@urql/core": "5.0.3",
-    "astro": "4.8.6",
+    "astro": "4.12.2",
     "date-fns": "3.6.0"
   },
   "eslintIgnore": [
@@ -32,10 +32,10 @@
   ],
   "devDependencies": {
     "@astrojs/check": "0.7.0",
-    "@astrojs/markdown-remark": "5.1.0",
-    "@astrojs/mdx": "3.0.0",
-    "@astrojs/rss": "4.0.6",
-    "@astrojs/sitemap": "3.1.4",
+    "@astrojs/markdown-remark": "5.2.0",
+    "@astrojs/mdx": "3.1.3",
+    "@astrojs/rss": "4.0.7",
+    "@astrojs/sitemap": "3.1.6",
     "@astrojs/tailwind": "5.1.0",
     "@graphql-codegen/cli": "5.0.2",
     "@graphql-codegen/introspection": "4.0.3",