catch2: update to 2.13.2.

Improvements

    Implemented workaround for AppleClang shadowing bug (#2030)
    Implemented workaround for NVCC ICE (#2005, #2027)

Fixes

    Fixed detection of std::uncaught_exceptions support under non-msvc platforms (#2021)
    Fixed the experimental stdout/stderr capture under Windows (#2013)

Miscellaneous

    catch_discover_tests has been improved significantly (#2023, #2039)
        You can now specify which reporter should be used
        You can now modify where the output will be written
        WORKING_DIRECTORY setting is respected
    ParseAndAddCatchTests now supports TEMPLATE_TEST_CASE macros (#2031)
    Various documentation fixes and improvements (#2022, #2028, #2034)

(wiz)