[UPDATE] Version bump for GHA (- PR #492 -)

Changes in file .github/actions/checkout-and-rebuild/action.yml:
 * update version for actions/downloads from 5 to 6

Author: reactive-firewall

.github/actions/checkout-and-rebuild/action.yml

@@ -125,7 +125,7 @@ runs:
     - id: fetch_artifact_files
       name: "Fetch Build Files"
       if: ${{ (github.repository == 'reactive-firewall-org/multicast') && success() }}
-      uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+      uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
       with:
         path: ${{ inputs.path }}/dist
         pattern: multicast-build-${{ steps.output_sha.outputs.sha }}