Schema validation for `from_config()` of all backends

[isidentical]

from_config() should not ignore extra parameters, instead it should complain very verbosely about it.

isolate/src/isolate/backends/_base.py

Lines 54 to 61 in 6587d96

	@classmethod
	def from_config(
	cls,
	config: Dict[str, Any],
	context: ContextType = GLOBAL_CONTEXT,
	) -> BaseEnvironment:
	"""Create a new environment from the given configuration."""
	raise NotImplementedError