Tests for Apptainer container support

Allow templates in `custom_paths` & `custom_commands` sanity-check arguments #1968

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
build (3.7, 1.0.0)	5m 48s
build (3.7, 1.1.7)	5m 51s
	11m 39s