This update for imb fixes the following issues:

- Update to version 2021.7
  * Change default value for mem_alloc_type to device
  * License update
  * Bug fixes
  * Currently not provided in SUSE:
    IMB-MPI1-GPU benchmark: Dynamically loading from LD_LIBRARY_PATH
    cuda or level zero library.

- Drop support for openmpi[123] (jsc#PED-7111)
- Prepare support for openmpi5


- Add build support for gcc11/12.