Fix unreachable code mypy warnings in common compat provider

[yunchipang]

related: #53395

warning:

providers/common/compat/src/airflow/providers/common/compat/openlineage/check.py:56: error:
Right operand of "and" is never evaluated  [unreachable]
        if callable(provider_min_version) and client_min_version is None:

problematic condition:

if callable(provider_min_version) and client_min_version is None:

this is because in original function signature:

def require_openlineage_version(
    provider_min_version: str | None = None, 
    client_min_version: str | None = None
):

this tells mypy that provider_min_version could only be a string or None (never a callable), which in the problematic condition, makes callable(provider_min_version) always false, which makes right side of the and operand, i.e. client_min_version is None, unreachable.

fix: update the type annotation to allow provider_min_version to be a string, None, or any other type (including callables).

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