ci: disable notarization of electron builder

disable notarization of electron builder explicitly to
avoid unintentionally double notarization.

ref: electron/notarize#163 (comment)

Author: Keith-CY

packages/neuron-wallet/electron-builder.yml

@@ -79,6 +79,7 @@ mac:
       arch:
         - arm64
         - x64
+  notarize: false # https://github.com/electron/notarize/issues/163#issuecomment-1726106735
 
 linux:
   artifactName: "${productName}-v${version}-${arch}.${ext}"