Bump withastro/action from 5.2.0 to 6.1.0 in the ci-dependencies group (#94)

Bumps the ci-dependencies group with 1 update: [withastro/action](https://github.com/withastro/action).


Updates `withastro/action` from 5.2.0 to 6.1.0
- [Release notes](https://github.com/withastro/action/releases)
- [Commits](withastro/action@15aa0a5...4470635)

---
updated-dependencies:
- dependency-name: withastro/action
  dependency-version: 6.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-dependencies
...

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

Author: dependabot[bot]

.github/workflows/site-deploy.yaml

@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install, build, and upload your site
-        uses: withastro/action@15aa0a5a1e067940253e3b259413ab2ae882a740 # v5.2.0
+        uses: withastro/action@44706356b4eb735f8b9035699eb4796241a040c4 # v6.1.0
 
   deploy:
     if: ${{ github.ref == 'refs/heads/main' }}