Bump mypy from 1.6.1 to 1.7.1 #1907

Job	Run time
build_test_container	9m 11s
CWL conformance (v1.0, docker)	3m 36s
No leftovers	4m 16s
CWL conformance (v1.0, singularity)	3m 21s
CWL conformance (v1.0, podman)	3m 34s
CWL conformance (v1.1, docker)	4m 54s
Test on macos-latest	5m 10s
CWL conformance (v1.1, singularity)	6m 9s
CWL conformance (v1.1, podman)	4m 59s
cwltool release test	16m 53s
CWL conformance (v1.2, docker)	6m 19s
CWL conformance (v1.2, singularity)	7m 2s
CWL conformance (v1.2, podman)	6m 35s
Tox (3, 8, lint)	29s
Linters (lintreadme)	48s
CWL conformance (v1.2, docker, --fast-parser)	6m 18s
Tox (3, 8, unit)	6m 46s
Linters (shellcheck)	14s
Tox (3, 8, bandit)	24s
Linters (pydocstyle)	16s
Tox (3, 8, mypy)	7m 24s
Tox (3, 9, lint)	27s
Tox (3, 9, unit)	6m 16s
Tox (3, 9, bandit)	26s
Tox (3, 9, mypy)	7m 29s
Tox (3, 10, lint)	27s
Tox (3, 10, unit)	6m 12s
Tox (3, 10, bandit)	28s
Tox (3, 10, mypy)	7m 42s
Tox (3, 11, lint)	26s
Tox (3, 11, unit)	5m 59s
Tox (3, 11, bandit)	24s
Tox (3, 11, mypy)	7m 21s
Tox (3, 12, lint)	32s
Tox (3, 12, unit)	8m 3s
Tox (3, 12, bandit)	29s
Tox (3, 12, mypy)	7m 22s
	2h 44m 41s

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