updated tasks so they are only run once

tasks/pkgs/pulumi.yml

@@ -1,3 +1,17 @@
-- name: Append pulumit to pkg_archive
-  ansible.builtin.set_fact:
-    pkg_archive: "{{ pkg_archive + ['pulumi'] }}"
+# vim: set filetype=yaml.ansible :
+---
+- name: Add pulumi
+  when:
+    - pulumi_configured is undefined
+  block:
+    - name: Load pulumi config
+      ansible.builtin.include_tasks:
+        file: config/pulumi.yml
+
+    - name: Append pulumit to pkg_archive
+      ansible.builtin.set_fact:
+        pkg_archive: "{{ pkg_archive + ['pulumi'] }}"
+
+    - name: Set pulumi_configured
+      ansible.builtin.set_fact:
+        pulumi_configured: true