[integ-tests] Run test_essential_features in availability zones where g5g is available

g5g is needed when running the test with ARM instance since #7401
This commit assign the test to availability zones where g5g is available. Although the test could run with x86, we always check g5g availability for the simplicity of the code change of this commit

Author: hanwen-cluster

tests/integration-tests/configs/develop.yaml

@@ -13,7 +13,7 @@ test-suites:
   basic:
     test_essential_features.py::test_essential_features:
       dimensions:
-        - regions: [{{ US_EAST_1_INSTANCE_TYPE_0_xlarge_CAPACITY_RESERVATION_8_INSTANCES_2_HOURS_NOPG_OS_X86_1 }}]
+        - regions: [{{ US_EAST_1_INSTANCE_TYPE_0_xlarge_CAPACITY_RESERVATION_8_INSTANCES_2_HOURS_NOPG_DCV_OS_X86_1__g5g_2xlarge_CAPACITY_RESERVATION_1_INSTANCES_1_HOURS_NOPG_DCV_OS_X86_1 }}]
           instances: [{{ US_EAST_1_INSTANCE_TYPE_0 }}.xlarge]
           oss: [{{ DCV_OS_X86_1 }}]
           schedulers: ["slurm"]