rename workflow step

Author: jakubskopal

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build and push Showcase Server
+      - name: Build and push zScanner Docker Host
         uses: docker/build-push-action@v4
         with:
           context: .