chore(deps): bump astro from 6.1.6 to 6.1.8 in the minor-patch group (#85)

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


Updates `astro` from 6.1.6 to 6.1.8
- [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@6.1.8/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 6.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-patch
...

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Author: dependabot[bot]

bun.lock

@@ -12,7 +12,7 @@
   "dependencies": {
     "@astrojs/starlight": "0.38.3",
     "@yeskunall/astro-umami": "^0.0.8",
-    "astro": "6.1.6",
+    "astro": "6.1.8",
     "astro-mermaid": "^2.0.1",
     "countup.js": "^2.10.0",
     "mermaid": "^11.14.0",