Move test_efa with c6gn.16xlarge from IAD to DUB to mitigate ICE

Signed-off-by: Francesco Giordano <[email protected]>

Author: francesco-giordano

tests/integration-tests/configs/common/common.yaml

@@ -211,7 +211,7 @@ efa:
         instances: ["c5n.9xlarge"]
         oss: ["alinux2"]
         schedulers: ["slurm"]
-      - regions: ["us-east-1"]
+      - regions: ["eu-west-1"]
         instances: ["c6gn.16xlarge"]
         oss: ["alinux2", "ubuntu1804", "ubuntu2004"]
         schedulers: ["slurm"]