build(deps): bump astro from 6.2.2 to 6.3.1 in /docs

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 6.2.2 to 6.3.1.
- [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@6.3.1/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 6.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/package-lock.json

@@ -22,7 +22,7 @@
     "@astrojs/sitemap": "^3.7.2",
     "@astrojs/starlight": "^0.38.4",
     "@primer/octicons": "^19.25.0",
-    "astro": "^6.2.2",
+    "astro": "^6.3.1",
     "astro-mermaid": "^2.0.1",
     "mermaid": "^11.15.0",
     "sharp": "^0.34.5",