uwsfbcvm needs pip install certifi #273

Job	Run time
ucvm-build-cvmh-taper (3.7)	31m 10s
ucvm-build-cvms-cvmh (3.7)	26m 53s
ucvm-build-albacore-cvlsu-ivlsu-wfcvm (3.7)	26m 44s
	1h 24m 47s

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