Set EXTRA_OPTIONS='-use_gpu_aware_mpi 0'

Author: dsroberts

.github/workflows/core.yml

@@ -494,6 +494,7 @@ jobs:
       EXTRA_PYTEST_ARGS: --splitting-algorithm least_duration --timeout=600 --timeout-method=thread -o faulthandler_timeout=660 --durations-path=./firedrake-repo/tests/test_durations.json --durations=50
       PYTEST_MPI_MAX_NPROCS: 8
       PETSC_OPTIONS: -use_gpu_aware_mpi 0
+      EXTRA_OPTIONS: -use_gpu_aware_mpi 0
     steps:
       - name: Confirm Nvidia GPUs are enabled
         # The presence of the nvidia-smi command indicates that the Nvidia drivers have