Fix alpha patch workflow signed filename (dkfans#3810)

Author: yani

.github/workflows/build-alpha-patch-signed.yml

@@ -37,5 +37,5 @@ jobs:
     - name: Upload signed artifact
       uses: actions/upload-artifact@v4
       with:
-        name: ${{ needs.call-alpha-patch-build.outputs.zip-name }}
+        name: ${{ needs.call-alpha-patch-build.outputs.zip-name }}-signed
         path: pkg/**