Update Hollie username

Author: holliefae

terraform/github/terraform.tfvars.json

@@ -170,7 +170,6 @@
           "Alex-Welsh",
           "alexbaousis",
           "amanning9",
-          "assumptionsandg",
           "axelsimon",
           "Banh-Canh",
           "bbezak",
@@ -185,6 +184,7 @@
           "GavinHeff",
           "GregWhiteyBialas",
           "grzegorzkoper",
+          "holliefae",
           "irt-shpc",
           "jackhodgkiss",
           "JasleenKaurSethi",