Bump mypy from 1.4.1 to 1.5.0 #639

Job	Run time
cwl-utils release test	4m 24s
CI linters via Tox (lint-readme)	19s
CI linters via Tox (pydocstyle)	21s
CI tests via Tox (3, 6, unit)	39s
CI tests via Tox (3, 6, bandit)	44s
CI tests via Tox (3, 7, unit)	47s
CI tests via Tox (3, 7, bandit)	44s
CI tests via Tox (3, 7, mypy)	33s
CI tests via Tox (3, 8, lint)	1s
CI tests via Tox (3, 8, unit)	1s
CI tests via Tox (3, 8, bandit)	32s
CI tests via Tox (3, 8, mypy)	1s
CI tests via Tox (3, 9, lint)	1s
CI tests via Tox (3, 9, unit)	1s
CI tests via Tox (3, 9, bandit)	1s
CI tests via Tox (3, 9, mypy)	1s
CI tests via Tox (3, 10, lint)	32s
CI tests via Tox (3, 10, unit)	50s
CI tests via Tox (3, 10, bandit)	34s
CI tests via Tox (3, 10, mypy)	48s
CI tests via Tox (3, 11, lint)	31s
CI tests via Tox (3, 11, unit)	48s
CI tests via Tox (3, 11, bandit)	37s
CI tests via Tox (3, 11, mypy)	48s
CI tests via Tox (3, 12, lint)	40s
CI tests via Tox (3, 12, unit)	34s
CI tests via Tox (3, 12, bandit)	48s
CI tests via Tox (3, 12, mypy)	37s
	17m 17s

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