debian: Fix test failed after bullseye release (#7888)

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

@@ -51,6 +51,21 @@
   when:
     - need_bootstrap.rc != 0
 
+- name: Update Apt cache
+  raw: apt-get update --allow-releaseinfo-change
+  become: true
+  when:
+    - '''ID=debian'' in os_release.stdout_lines'
+    - (
+        '''VERSION="10'' in os_release.stdout_lines' or
+        '''VERSION="11'' in os_release.stdout_lines'
+      )
+  register: bootstrap_update_apt_result
+  changed_when:
+    - '"changed its" in bootstrap_update_apt_result.stdout'
+    - '"value from" in bootstrap_update_apt_result.stdout'
+  ignore_errors: true
+
 - name: Set the ansible_python_interpreter fact
   set_fact:
     ansible_python_interpreter: "/usr/bin/python3"