Build improvements #1245

Job	Run time
Run tests with coverage	2m 46s
Run tests with different pydantic versions	3m 20s
Run tests (3.8)	1m 50s
Run tests (3.11)	1m 44s
Run tests (3.10)	1m 56s
Run tests (3.9)	1m 52s
Run tests (3.12)	1m 59s
Run tests (3.13)	1m 50s
Run linters (flake8)	1m 29s
Run linters (mypy)	1m 35s
Run linters (pydocstyle)	1m 30s
Run linters (pylint)	1m 31s
	23m 22s

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