chore(deps): bump the dependencies group in /website with 3 updates (#1867)

Bumps the dependencies group in /website with 3 updates: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight), [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) and [starlight-llms-txt](https://github.com/delucis/starlight-llms-txt/tree/HEAD/packages/starlight-llms-txt).


Updates `@astrojs/starlight` from 0.38.2 to 0.38.4
- [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@0.38.4/packages/starlight)

Updates `astro` from 6.1.8 to 6.1.9
- [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@6.1.9/packages/astro)

Updates `starlight-llms-txt` from 0.8.0 to 0.8.1
- [Release notes](https://github.com/delucis/starlight-llms-txt/releases)
- [Changelog](https://github.com/delucis/starlight-llms-txt/blob/main/packages/starlight-llms-txt/CHANGELOG.md)
- [Commits](https://github.com/delucis/starlight-llms-txt/commits/starlight-llms-txt@0.8.1/packages/starlight-llms-txt)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.38.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: astro
  dependency-version: 6.1.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: starlight-llms-txt
  dependency-version: 0.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

Author: dependabot[bot]

website/package-lock.json

@@ -25,10 +25,10 @@
     "stylelint": "npx stylelint@latest \"src/*.css\" --fix -f verbose"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.38.2",
-    "astro": "^6.1.8",
+    "@astrojs/starlight": "^0.38.4",
+    "astro": "^6.1.9",
     "sharp": "^0.34.5",
-    "starlight-llms-txt": "^0.8.0"
+    "starlight-llms-txt": "^0.8.1"
   },
   "devDependencies": {
     "stylelint-config-recommended": "^18.0.0"