mingw64-clang13 from home:mnhauke:mingw:win64:sdr project

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For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:mingw:win64:sdr/15.6/home:mnhauke:mingw:win64:sdr.repo
zypper refresh
zypper install mingw64-clang13