build(deps): bump actions/setup-node from 5 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/astro.yml

@@ -49,7 +49,7 @@ jobs:
             exit 1
           fi
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "18"
           cache: ${{ steps.detect-package-manager.outputs.manager }}

.github/workflows/update-google-maps-stats.yml

@@ -15,7 +15,7 @@ jobs:
       uses: actions/checkout@v5
 
     - name: Setup Node.js
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: '18'
         cache: 'npm'