Fix CI (fixes #111)

[mikemahoney218]

Update to newer Ubuntu runners, new pillar

[mikemahoney218]

I'm personally very curious if this is going to use the new or old CI configuration... :eyes:

[mikemahoney218]

...well that's a bigger issue than expected.

[mikemahoney218]

For what it's worth, the package seems to install fine on my machine (on Ubuntu 22.04), the other Ubuntu jobs seem to be fine, and the other R-CMD-check jobs seem to be fine. So this is either an issue with 20.04 (which I was on when I wrote the C++ bits of package, so that'd be surprising) or the CI environment. I'll dig in later.

[mikemahoney218]

so rather confusingly, the step that says it fails (spatialsample failing to install) isn't actually the problem

the previous step, installing sf using ubuntugis-unstable system libraries, actually fails but reports a success: https://github.com/tidymodels/spatialsample/runs/8194307701?check_suite_focus=true#step:6:218

That's annoying, but at least gives somewhere to look. Specifically, that points me here: https://www.mail-archive.com/gdal-dev@lists.osgeo.org/msg36151.html

So hopefully installing libspatialite helps.

[mikemahoney218]

@hfrick We talked about this last month, but I'd rather be safe than sorry: is this the sort of change I can merge without a review? There's no features or behaviors being changed here, just basic maintenance stuff.

[hfrick]

yes, totally! 👍 Please merge the maintenance PRs as you see fit!

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