[CI] fix molecule tests on opensuse by upgrading to 15.4 (#9175)

* [CI] fix molecule tests on opensuse by upgrading to 15.4

* [opensuse] use correct python crytography package name depending on distribution version

roles/bootstrap-os/tasks/bootstrap-opensuse.yml

@@ -1,5 +1,9 @@
 ---
 # OpenSUSE ships with Python installed
+- name: Gather host facts to get ansible_distribution_version ansible_distribution_major_version
+  setup:
+    gather_subset: '!all'
+    filter: ansible_distribution_*version
 
 - name: Check that /etc/sysconfig/proxy file exists
   stat:
@@ -59,6 +63,17 @@
     state: present
     update_cache: true
   become: true
+  when:
+    - ansible_distribution_version is version('15.4', '<')
+
+- name: Install python3-cryptography
+  zypper:
+    name: python3-cryptography
+    state: present
+    update_cache: true
+  become: true
+  when:
+    - ansible_distribution_version is version('15.4', '>=')
 
 # Nerdctl needs some basic packages to get an environment up
 - name: Install basic dependencies