Updating default thumbprint and declaring some variable types

Author: mybarretto

variables.tf

@@ -8,6 +8,7 @@ variable "url" {
 }
 
 variable "client_id_list" {
+  type    = list(string)
   default = [
     "sts.amazonaws.com"
   ]
@@ -16,8 +17,9 @@ variable "client_id_list" {
 # This is the thumbprint returned if you were to create an "identity provider" in AWS and gave
 # it this url: https://token.actions.githubusercontent.com
 variable "thumbprint_list" {
+  type    = list(string)
   default = [
-    "a031c46782e6e6c662c2c87c76da9aa62ccabd8e"
+    "6938fd4d98bab03faadb97b34396831e3780aea1"
   ]
 }