Bump mypy from 1.14.1 to 1.15.0 #990

Job	Run time
call-pytest-workflow / pytest (3.10)	1m 59s
call-pytest-workflow / pytest (3.11)	1m 58s
call-version-info-workflow / version_info	1m 18s
call-docker-ghcr-workflow / dockerize	3m 44s
	8m 59s

Provide feedback