Test on Linux

[geanders]

Let's see if there's a way we can test this on a Linux system. Possibly with GitHub actions? Otherwise, I have access on an Ubuntu system on a server, but that might be more work to move over and test.

[geanders]

These look like they might have helpful advice:

• https://www.rostrum.blog/2020/08/09/ghactions-pkgs/
• https://orchid00.github.io/actions_sandbox/
• https://www.tidyverse.org/blog/2022/06/actions-2-0-0/

[geanders]

The rhub package might have something in it: https://r-hub.github.io/rhub/