chore: define artifact name using product.name

default was to take package.json name
also suffix by arch.

it'll require updates on the website for 1.25.0+

Signed-off-by: Florent Benoit <fbenoit@redhat.com>

.electron-builder.config.cjs

@@ -240,6 +240,7 @@ const config = {
     category: 'Development',
     icon: './buildResources/icon-512x512.png',
     executableName: product.artifactName,
+    artifactName: `${product.artifactName}${artifactNameSuffix}-\${version}-\${arch}.\${ext}`,
     target: ['flatpak', { target: 'tar.gz', arch: ['x64', 'arm64'] }],
   },
   mac: {