fix: inspect-ai requires Python >= 3.10

[gadenbuie]

Also fixes a flake8 check failure

flake8 --show-source .
./shiny/_docstring.py:225:5: B042 Exception class with `__init__` should pass all args to `super().__init__()` in order to work with `copy.copy()`. It should also not take any kwargs.
    def __init__(
    ^
./shiny/_docstring.py:249:5: B042 Exception class with `__init__` should pass all args to `super().__init__()` in order to work with `copy.copy()`. It should also not take any kwargs.
    def __init__(
    ^
./shiny/types.py:182:5: B042 Exception class with `__init__` should pass all args to `super().__init__()` in order to work with `copy.copy()`. It should also not take any kwargs.
    def __init__(self, message: str, sanitize: bool = True, close: bool = False):
    ^
make: *** [check-flake8] Error 1

[karangattu]

LGTM..thanks