Update examples #1107

Job	Run time
Run tests on legacy versions (3.7)	2m 7s
Run tests (3.8)	1m 59s
Run linters (flake8)	1m 44s
Run tests with coverage	2m 55s
Run linters (pydocstyle)	1m 50s
Run tests (3.9)	1m 56s
Run linters (mypy)	1m 50s
Run tests (3.10)	2m 14s
Run linters (pylint)	1m 54s
Run tests with different pydantic versions	3m 27s
Run tests (3.11)	2m 2s
Run tests (3.12)	2m 6s
Run tests (3.13)	2m 29s
	28m 33s

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