make sysreqs work on older versions that we dont check vignettes on a… #203

Job	Run time
windows-latest (release) quick	9m 26s
macOS-latest (release) quick	6m 1s
ubuntu-latest (devel)	13m 24s
ubuntu-latest (release)	43m 46s
ubuntu-latest (release) quick	5m 33s
ubuntu-latest (oldrel) quick	4m 41s
ubuntu-latest (4.1) quick	5m 44s
ubuntu-latest (4.0) quick	4m 51s
ubuntu-latest (3.6) quick	4m 8s
	1h 37m 34s

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