use brew for gon

.github/workflows/artifacts.yml

@@ -115,9 +115,9 @@ jobs:
       - name: Notarize
         shell: bash
         run: |
-          curl -o gon.zip -L -s "https://github.com/mitchellh/gon/releases/latest/download/gon_macos.zip"
-          unzip -o -q gon.zip
-          ./gon -log-level=debug -log-json ./gon.json
+          brew tap mitchellh/gon
+          brew install mitchellh/gon/gon
+          gon -log-level=debug -log-json ./gon.json
         env:
           AC_USERNAME: ${{ secrets.ac_username }}
           AC_PASSWORD: ${{ secrets.ac_password }}