Bump mypy from 1.14.1 to 1.15.0 #2476

Job	Run time
No leftovers	2m 56s
build_test_container	11m 25s
CWL conformance (v1.0, docker)	6m 54s
cwltool release test	12m 20s
Tox (3, 9, lint)	26s
CWL conformance (v1.0, singularity)	7m 2s
Tox (3, 9, unit)	23s
CWL conformance (v1.0, podman)	7m 5s
Tox (3, 9, bandit)	24s
CWL conformance (v1.1, docker)	7m 46s
Linters (lintreadme)	35s
Tox (3, 9, mypy)	37s
CWL conformance (v1.1, singularity)	7m 47s
Linters (shellcheck)	15s
CWL conformance (v1.1, podman)	8m 5s
Tox (3, 10, lint)	28s
Linters (pydocstyle)	20s
CWL conformance (v1.2, docker)	9m 31s
Tox (3, 10, unit)	5m 12s
CWL conformance (v1.2, singularity)	9m 32s
Tox (3, 10, bandit)	33s
CWL conformance (v1.2, podman)	9m 34s
Tox (3, 10, mypy)	7m 4s
Test on macos-latest	5m 0s
CWL conformance (v1.2, docker, --fast-parser)	9m 40s
Tox (3, 11, lint)	25s
CWL conformance (v1.3.0-dev1, --relax-path-checks)	6m 21s
Tox (3, 11, unit)	5m 3s
Tox (3, 11, bandit)	23s
Tox (3, 11, mypy)	6m 34s
Tox (3, 12, lint)	28s
Tox (3, 12, unit)	4m 12s
Tox (3, 12, bandit)	23s
Tox (3, 12, mypy)	4m 43s
Tox (3, 13, lint)	30s
Tox (3, 13, unit)	1m 14s
Tox (3, 13, bandit)	24s
Tox (3, 13, mypy)	1m 8s
	2h 42m 42s

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