Update pytest requirement from <7.5,>=6.2 to >=6.2,<8.1 #2000

Job	Run time
build_test_container	9m 46s
No leftovers	5m 10s
CWL conformance (v1.0, docker)	7m 20s
CWL conformance (v1.0, singularity)	7m 12s
cwltool release test	16m 34s
CWL conformance (v1.0, podman)	7m 22s
Tox (3, 8, lint)	29s
CWL conformance (v1.1, docker)	9m 24s
Linters (lintreadme)	50s
Tox (3, 8, unit)	7m 18s
Linters (shellcheck)	16s
Tox (3, 8, bandit)	24s
CWL conformance (v1.1, singularity)	10m 27s
Tox (3, 8, mypy)	7m 57s
Linters (pydocstyle)	23s
Tox (3, 9, lint)	33s
Tox (3, 9, unit)	6m 54s
CWL conformance (v1.1, podman)	9m 17s
Tox (3, 9, bandit)	29s
CWL conformance (v1.2, docker)	11m 35s
Test on macos-latest	5m 37s
Tox (3, 9, mypy)	8m 3s
Tox (3, 10, lint)	28s
Tox (3, 10, unit)	6m 41s
CWL conformance (v1.2, singularity)	11m 35s
Tox (3, 10, bandit)	30s
CWL conformance (v1.2, podman)	11m 46s
Tox (3, 10, mypy)	8m 40s
Tox (3, 11, lint)	26s
CWL conformance (v1.2, docker, --fast-parser)	11m 26s
Tox (3, 11, unit)	6m 40s
Tox (3, 11, bandit)	27s
Tox (3, 11, mypy)	8m 2s
Tox (3, 12, lint)	34s
Tox (3, 12, unit)	9m 11s
Tox (3, 12, bandit)	33s
Tox (3, 12, mypy)	7m 53s
	3h 38m 12s

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