Update quarkus-statiq.tf

Please do any repository setting changes in the Terraform script, otherwise they will be reverted. 

See https://github.com/orgs/quarkiverse/discussions/98#discussioncomment-4975123

terraform-scripts/quarkus-statiq.tf

@@ -6,6 +6,7 @@ resource "github_repository" "quarkus_statiq" {
   archive_on_destroy     = true
   delete_branch_on_merge = true
   has_issues             = true
+  has_projects           = true
   vulnerability_alerts   = true
   topics                 = ["quarkus-extension", "web", "static", "generate", "blog"]
 }