MCUT/MIO Tags

[nitawa]

Hi, I do have quick suggestion. If a release is tagged for MCUT, it would be very helpful to tag the corresponding MIO version as well. Currently, using the latest stable MCUT tag means pulling the head of MIO which might impact the integration of MCUT.

Thanks.

FetchContent_Populate(
                mio
                GIT_REPOSITORY                  https://github.com/cutdigital/mio.git
                GIT_TAG main
        )