add proxy_env variable to apt_key cleanup task (#9766)

roles/container-engine/cri-o/tasks/cleanup.yaml

@@ -9,6 +9,7 @@
   apt_key:
     url: "https://{{ crio_download_base }}/{{ crio_kubic_debian_repo_name }}/Release.key"
     state: absent
+  environment: "{{ proxy_env }}"
   when: crio_kubic_debian_repo_name is defined
 
 - name: Remove legacy CRI-O kubic apt repo