Add support for building on Apple silicon

[Developer-Ecosystem-Engineering]

Updating to the latest Catch2 will allow expected to also compile for Apple silicon natively.

Once updated

% mkdir build % cd build % cmake .. % make % make test Running tests... Test project /Users/test/expected/build Start 1: tl::expected::tests 1/1 Test #1: tl::expected::tests .............. Passed 0.01 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) = 0.01 sec