Bump @astrojs/starlight from 0.6.1 to 0.7.0 (#1377)

Bumps [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight) from 0.6.1 to 0.7.0.
- [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/[email protected]/packages/starlight)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@astrojs/markdown-remark": "^2.2.1",
-    "@astrojs/starlight": "^0.6.1",
+    "@astrojs/starlight": "^0.7.0",
     "@types/json-schema": "^7.0.12",
     "astro": "^2.10.5",
     "astro-feelback": "^0.3.4",