build(deps): bump astro from 5.1.7 to 5.1.9 in the starlight_astro gr…

…oup (#7466)

Bumps the starlight_astro group with 1 update: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `astro` from 5.1.7 to 5.1.9
- [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/[email protected]/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: starlight_astro
...

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

docs/astro/package.json

@@ -22,7 +22,7 @@
     "@astrojs/starlight": "0.31.1",
     "@expressive-code/plugin-line-numbers": "0.40.1",
     "@types/node": "20.16.10",
-    "astro": "5.1.7",
+    "astro": "5.1.9",
     "playwright": "1.49.1",
     "playwright-ctrf-json-reporter": "0.0.18",
     "rehype-external-links": "3.0.0",