Hello, thanks for the great project!

This is identical to #1052 - Add async-support for WithMessage()
Which added an extension on the Task<..Assertion> itself for WithMessage

Can I submit a PR for the other 3 ExceptionAssertion methods, so that parentheses around the whole await expression are not required?

Namely,
-WithInnerException
-WithInnerExceptionExactly
-Where