fix: install python3-cryptography in containers (vexxhost#117) (vexxh…

…ost#118)

This package is required by module community.crypto.x509_certificate_info which is used in
join-cluster.yml

Fixes vexxhost#117

roles/kubernetes/tasks/control-plane.yml

@@ -39,7 +39,9 @@
 # TODO(fitbeard): Move common system packages from all roles to dedicated role.
 - name: Install PIP
   ansible.builtin.package:
-    name: python3-pip
+    name:
+      - python3-pip
+      - python3-cryptography
 
 - name: Install Kubernetes python package
   ansible.builtin.pip: