feat: pull image in a separate step

.drone.yml

@@ -4,9 +4,21 @@ type: docker
 name: 'build and deploy'
 
 steps:
-- name: hugo-extended
+- name: pull
   pull: always
   image: immawanderer/fedora-hugo:latest
+  commands:
+    - uname -r
+    - cat /etc/fedora-release
+
+- name: hugo-extended
+  pull: if-not-exists
+  image: immawanderer/fedora-hugo:latest
+  when:
+    status:
+    - success
+  depends_on:
+  - pull
   commands:
     - git submodule init
     - git submodule update