Update Compiler Name for Test (#1257)

Update shared_slurm_clusters.yml

Co-authored-by: pearce8 <pearce8@llnl.gov>

Author: michaelmckinsey1

.gitlab/tests/shared_slurm_clusters.yml

@@ -124,7 +124,7 @@ run_tests_slurm_dane:
       # Compilers
       - HOST: dane
         ARCHCONFIG: llnl-cluster
-        SYSTEM_ARGS: [compiler=gcc, compiler=clang]
+        SYSTEM_ARGS: [compiler=gcc, compiler=llvm]
         BENCHMARK: osu-micro-benchmarks
 run_tests_slurm_matrix:
   extends: .run_tests_slurm