Accommodate separate lmod, tcl modules.yaml's #1026

Job	Run time
clingo-cffi	25m 7s
clingo-cffi	25m 7s
rhel8-platform-python	29m 36s
rhel8-platform-python	29m 36s
macos (3.10)	8m 27s
macos (3.10)	37m 14s
shell	9m 32s
shell	9m 32s
ubuntu (ubuntu-latest, 3.10, clingo, false)	45m 28s
ubuntu (ubuntu-latest, 3.10, clingo, false)	45m 28s
ubuntu (3.10, ubuntu-latest, original, false)	26m 5s
ubuntu (3.10, ubuntu-latest, original, false)	26m 5s
ubuntu (3.6, ubuntu-20.04, clingo, false)	25m 45s
ubuntu (3.6, ubuntu-20.04, clingo, false)	25m 45s
	6h 8m 47s

Provide feedback