add support for is_alphanumeric in autolink_reference

Author: tobiasehlert

main.tf

@@ -613,6 +613,7 @@ resource "github_repository_autolink_reference" "repository_autolink_reference"
   repository          = github_repository.repository.name
   key_prefix          = each.value.key_prefix
   target_url_template = each.value.target_url_template
+  is_alphanumeric     = each.value.is_alphanumeric
 }
 
 # ---------------------------------------------------------------------------------------------------------------------

variables.tf

@@ -532,13 +532,15 @@ variable "autolink_references" {
   type = list(object({
     key_prefix          = string
     target_url_template = string
+    is_alphanumeric     = optional(bool)
   }))
 
   # Example:
   # autolink_references = [
   #   {
   #     key_prefix          = "TICKET-"
   #     target_url_template = "https://hello.there/TICKET?query=<num>"
+  #     is_alphanumeric     = true
   #   }
   # ]