deps: bump the js group with 3 updates

Bumps the js group with 3 updates: [@astrojs/markdown-remark](https://github.com/withastro/astro/tree/HEAD/packages/markdown/remark), [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight) and [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `@astrojs/markdown-remark` from 7.3.1 to 7.3.2
- [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/markdown-remark@7.3.2/packages/markdown/remark)

Updates `@astrojs/starlight` from 0.42.5 to 0.42.6
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/starlight@0.42.6/packages/starlight)

Updates `astro` from 7.3.5 to 7.3.8
- [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/astro@7.3.8/packages/astro)

---
updated-dependencies:
- dependency-name: "@astrojs/markdown-remark"
  dependency-version: 7.3.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: js
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.42.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: js
- dependency-name: astro
  dependency-version: 7.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: js
...

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

Author: dependabot[bot]

package.json

@@ -11,9 +11,9 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/markdown-remark": "^7.3.1",
-    "@astrojs/starlight": "^0.42.5",
-    "astro": "^7.3.5",
+    "@astrojs/markdown-remark": "^7.3.2",
+    "@astrojs/starlight": "^0.42.6",
+    "astro": "^7.3.8",
     "sharp": "^0.35.5",
     "unist-util-visit": "^5.1.0"
   }