[Test] Add 3 more minutes for HeadNodeBootstrap to avoid cluster creation failures (#6593)

Co-authored-by: Himani Deshpande <himanidp@amazon.com>

Author: himani2411

tests/integration-tests/configs/develop.yaml

@@ -332,7 +332,7 @@ test-suites:
   multiple_nics:
     test_multiple_nics.py::test_multiple_nics:
       dimensions:
-        - regions: ["use1-az6"]
+        - regions: ["use1-az3"]
           instances: ["c6in.32xlarge"]
           oss: {{ common.OSS_COMMERCIAL_X86 }}
           schedulers: ["slurm"]

tests/integration-tests/tests/multiple_nics/test_multiple_nics/test_multiple_nics/pcluster.config.yaml

@@ -23,6 +23,8 @@ Scheduling:
           {% else %}
           Instances:
             - InstanceType: {{ instance }}
+            - InstanceType: c6in.metal
+            - InstanceType: m6idn.32xlarge
           MinCount: 1
           Efa:
             Enabled: true