du-dust support amd64 architecture builds

[b-rad15]

Requesting a new app ✨

• I have checked that this app does not already have a pending request and has not previously been declined.
• App Name: du-dust
• Download URL: https://github.com/bootandy/dust/releases
• Website URL: https://github.com/bootandy/dust/
• App Summary: This was the closest template but du-dust is already in the repo but only for amd64. The repo publishes 32 bit arm, aarch64, and 32 bit x86 packages that should be available for install.

[philclifford]

There are only i386 and amd64 packages:

grep \.deb /var/cache/deb-get/du-dust.json 
      "name": "du-dust_1.0.0-1_amd64.deb",
      "browser_download_url": "https://github.com/bootandy/dust/releases/download/v1.0.0/du-dust_1.0.0-1_amd64.deb"
      "name": "du-dust_1.0.0-1_i386.deb",
      "browser_download_url": "https://github.com/bootandy/dust/releases/download/v1.0.0/du-dust_1.0.0-1_i386.deb"

It just needs a line with ARCHS_SUPPORTED="amd64 i386 adding to the definition if you want the 32 bit deb available.
PRs are always welcome, or you could drop an amended copy in /etc/deb-get/99-local.d