Merge pull request #428 from stackhpc/rt-seunghun

Add Seunghun Lee to Release Train team

Author: priteau

terraform/github/terraform.tfvars.json

@@ -274,6 +274,7 @@
           "cityofships",
           "jackhodgkiss",
           "m-bull",
+          "seunghun1ee",
           "stackhpc-ci"
         ]
       }