Temporarily use setup-gpg PR
Temporarily use setup-gpg PR

Hoping to address errors such as these:
```text
/bin/sh: 1: .//home/runner/work/coursier/coursier/gnupg-1.4.23/g10/gpg: not found
```

coursier/coursier,alexarchambault/coursier,alexarchambault/coursier,coursier/coursier,coursier/coursier,coursier/coursier,alexarchambault/coursier,alexarchambault/coursier