chore(deps): update dependency mypy to v1.20.1 - autoclosed #359

Job	Run time
pylint	29s
reuse	12s
formatting	20s
test-build-install	23s
test-os-python-matrix (3.12, ubuntu-22.04)	21s
mypy	22s
test-os-python-matrix (3.11, ubuntu-22.04)	21s
test-os-python-matrix (3.10, windows-latest)	50s
test-os-python-matrix (3.10, ubuntu-22.04)	19s
test-os-python-matrix (3.10, macos-latest)	31s
	4m 8s

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