CI Report:
https://ci-tests.linuxserver.io/linuxserver/sabnzbd/nightly-1c96dff1-ls71/index.html
LinuxServer Changes:
Rebase to Alpine 3.22. Add experimental RISCV build.
Remote Changes:
Implement SignPath binary signing for Windows releases
Keep zip structure
Download all signed artifacts for release step
Correctly download all releases
Only sign when tagging release
Restore CI tests
Test production certificate
Closes #2870