Add missing ARCHER2 benchmark

tests/benchmarks/SingleNodeBenchmark_2024-01-24_11-31-37.csv

@@ -63,6 +63,7 @@ cpu_freq,domain,num_cpus_per_task,num_tasks,num_tasks_per_node,omp_threads,run_t
 2000000,0.7,32,1,,32,1364.91,1274.35
 2000000,0.7,64,1,,64,1094.98,936.72
 2000000,0.7,128,1,,128,1163.05,775.27
+2000000,0.8,1,1,,1,19115.24,18963.06
 2000000,0.8,2,1,,2,9894.57,9868.57
 2000000,0.8,4,1,,4,5021.3,5011.79
 2000000,0.8,8,1,,8,3285.76,3272.44