3126: Fix OpenCl and covariance issues #3247

Job	Run time
Generate test matrix	7s
Test (ubuntu-20.04, 3.11)	2m 58s
Test (ubuntu-20.04, 3.10)	2m 41s
Test (ubuntu-22.04, 3.11)	2m 28s
Test (ubuntu-22.04, 3.10)	2m 21s
Test (windows-latest, 3.11)	7m 7s
Test (windows-latest, 3.10)	5m 33s
Test (macos-13, 3.11)	4m 34s
Test (macos-13, 3.10)	4m 16s
Test (macos-latest, 3.11)	3m 14s
Test (macos-latest, 3.10)	1m 42s
Test (ubuntu-latest, 3.11)	2m 19s
Test (ubuntu-latest, 3.10)	2m 45s
Installer (ubuntu-20.04, 3.11)	8m 43s
Installer (ubuntu-22.04, 3.11)	8m 36s
Installer (windows-latest, 3.11)	18m 32s
Installer (macos-13, 3.11)	30m 18s
Installer (macos-latest, 3.11)	14m 31s
Test installer (windows-latest, 3.11)	2m 5s
Test installer (ubuntu-20.04, 3.11)	1m 30s
	2h 6m 20s

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