feat: MpiWrapper::allReduce overload for arrays. (#3446) #9937

Job	Run time
semantic_pull_request	2s
is_not_draft_pull_request	5s
baseline_log	4s
are_submodules_in_sync	9s
if_not_unassigned_pull_request	1s
code_coverage / build_test_deploy	57m 56s
Check code style / build_test_deploy	1m 25s
Check documentation / build_test_deploy	1m 20s
Sherlock CPU (centos 7.9.2009, gcc 10.1.0, open-mpi 4.1.2, openblas 0.3.10) / build_test_deploy	8m 51s
Ubuntu (20.04, gcc 10.5.0, open-mpi 4.0.3) - github codespaces / build_test_deploy	5m 56s
Ubuntu (20.04, gcc 9.4.0, open-mpi 4.0.3) / build_test_deploy	6m 40s
Ubuntu (22.04, clang 15.0.7, open-mpi 4.1.2) / build_test_deploy	4m 59s
Ubuntu (22.04, gcc 11.4.0, open-mpi 4.1.2) / build_test_deploy	6m 33s
Ubuntu (22.04, gcc 12.3.0, open-mpi 4.1.2) / build_test_deploy	1m 2s
Ubuntu debug (20.04, gcc 10.5.0, open-mpi 4.0.3) - github codespaces / build_test_deploy	1m 14s
Pangea 3 CUDA (AlmaLinux 8.8, gcc 9.4.0, open-mpi 4.1.2, cuda 11.5.0, openblas 0.3.10) / build_test_deploy	6h 0m 17s
Rockylinux CUDA (8, clang 17.0.6, cuda 12.5.1) / build_test_deploy	14m 1s
Rockylinux CUDA (8, gcc 8.5, cuda 12.5.1) / build_test_deploy	10m 55s
Sherlock GPU (centos 7.9.2009, gcc 10.1.0, open-mpi 4.1.2, openblas 0.3.10, cuda 12.4.0,) / build_test_deploy	15m 55s
Ubuntu CUDA (20.04, clang 10.0.0 + gcc 9.4.0, open-mpi 4.0.3, cuda-11.8.89) / build_test_deploy	10m 25s
Ubuntu CUDA debug (20.04, clang 10.0.0 + gcc 9.4.0, open-mpi 4.0.3, cuda-11.8.89) / build_test_deploy	4m 20s
run_integrated_tests	0s
check_that_all_jobs_succeeded	1s
	8h 32m 11s

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