Merge branch 'openmpi_411' into 'master'

OpenMPI 4.1.1 with UCX 1.10

See merge request Pmodules/buildblocks!289

Compiler/openmpi/files/variants.merlin6

@@ -32,6 +32,7 @@ openmpi/4.0.5-1_slurm   stable     gcc/{8.4.0,9.3.0,10.2.0,10.3.0} cuda/11.2.2 b
 openmpi/4.0.5-2_slurm   unstable   gcc/10.2.0 cuda/11.3.0 b:ucx/1.11.0_slurm
 
 openmpi/4.1.1_slurm     unstable   gcc/10.2.0 cuda/11.3.0 b:ucx/1.11.2_slurm
+openmpi/4.1.1-1_slurm   unstable   gcc/10.2.0 cuda/11.3.0 b:ucx/1.10.0_slurm
 
 openmpi/4.0.5-1_dgx     deprecated gcc/{8.4.0,9.3.0,10.2.0} cuda/11.2.2 b:ucx/1.10.0-1_dgx
 openmpi/4.1.0-1_dgx     deprecated gcc/10.2.0 cuda/11.2.2 b:ucx/1.10.0-1_dgx