Fix typing for init_resources/shutdown_resources #6

Job	Run time
Run tests with different pydantic versions	3m 15s
Run tests (3.8)	1m 55s
Run tests with coverage	2m 54s
Run tests (3.9)	1m 47s
Run tests (3.13)	1m 50s
Run tests (3.10)	1m 48s
Run tests (3.12)	1m 51s
Run tests (3.11)	1m 52s
Run linters (pydocstyle)	1m 33s
Run linters (pylint)	1m 37s
Run linters (flake8)	1m 31s
Run linters (mypy)	1m 38s
	23m 31s

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