[deployment] appveyor: new API token, trying to download and apply upx
[deployment] appveyor: new API token, trying to download and apply upx

Trying upx downloaded because thought 20LTS is fine for rust binaries,
the 18LTS version is not high enough.
electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder,electricherd/audiobookfinder