Upgrade testing deps (#837) #1110

Job	Run time
Run tests with coverage	2m 54s
Run tests with different pydantic versions	3m 29s
Run tests on legacy versions (3.7)	2m 11s
Run tests (3.8)	1m 57s
Run linters (flake8)	1m 45s
Run tests (3.9)	1m 56s
Run linters (pydocstyle)	1m 44s
Run tests (3.10)	2m 7s
Run linters (mypy)	1m 55s
Run tests (3.11)	1m 55s
Run linters (pylint)	1m 54s
Run tests (3.12)	2m 2s
Run tests (3.13)	2m 13s
	28m 2s

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