Enable ABI3 builds #1214

Job	Run time
Run tests with different pydantic versions	3m 12s
Run tests (3.13)	1m 52s
Run tests (3.10)	2m 0s
Run tests with coverage	2m 47s
Run tests (3.8)	1m 50s
Run tests (3.12)	1m 47s
Run tests (3.11)	1m 48s
Run linters (flake8)	1m 28s
Run linters (mypy)	1m 36s
Run linters (pylint)	1m 39s
Run tests (3.9)	1m 46s
Run linters (pydocstyle)	1m 26s
	23m 11s

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