Picked up zhmcclient version 1.9.0 to get fixes #1321

Job	Run time
set_matrix	2s
test (ubuntu-latest, 3.10, minimum)	4m 11s
test (ubuntu-latest, 3.10, latest)	4m 14s
test (ubuntu-latest, 3.10, ansible)	4m 16s
test (ubuntu-latest, 3.11, minimum)	4m 1s
test (ubuntu-latest, 3.11, latest)	4m 12s
test (ubuntu-latest, 3.11, ansible)	4m 14s
test (ubuntu-20.04, 2.7, minimum, python:2.7.18-buster)	3m 37s
test (ubuntu-20.04, 2.7, latest, python:2.7.18-buster)	4m 7s
test (ubuntu-20.04, 3.5, minimum)	37s
test (ubuntu-20.04, 3.5, latest)	50s
test (ubuntu-20.04, 3.6, minimum)	4m 5s
test (ubuntu-latest, 3.7, minimum)	4m 11s
test (ubuntu-latest, 3.8, minimum)	4m 11s
test (ubuntu-latest, 3.9, minimum)	4m 10s
test (ubuntu-latest, 3.9, latest)	4m 9s
test (ubuntu-latest, 3.9, ansible)	4m 9s
test (macos-latest, 3.10, minimum)	4m 11s
test (macos-latest, 3.10, latest)	3m 56s
test_finish	1s
	1h 7m 24s

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