Update llvm13 to version 13.0.1 / rev 23 via SR 1224730
    
    https://build.opensuse.org/request/show/1224730
    by user aaronpuchert + anag+factory
    - Apply clang-shlib-symbol-versioning.patch to add symbol versions
      to libclang-cpp.so similar to libLLVM.so. This is required when
      multiple versions of the library are loaded into the same
      process. (boo#1219405, boo#1221183, boo#1233220)