[Test] Replace t2.large with m5.large in 'test_fast_capacity_failover'

Signed-off-by: Giacomo Marciani <[email protected]>

Author: gmarciani

tests/integration-tests/tests/schedulers/test_slurm/test_fast_capacity_failover/pcluster.config.yaml

@@ -20,12 +20,12 @@ Scheduling:
           MinCount: 1
         - Name: ice-cr-multiple
           Instances:
-            - InstanceType: t2.large
+            - InstanceType: m5.large
             - InstanceType: t3.large
           MinCount: 1
         - Name: exception-cr-multiple
           Instances:
-            - InstanceType: t2.large
+            - InstanceType: m5.large
             - InstanceType: t3.large
           MinCount: 1
         - Name: ondemand1-i1