chore: give 'pull' its own pipeline

.drone.yml

@@ -1,7 +1,11 @@
 ---
 kind: pipeline
 type: docker
-name: 'build and deploy'
+name: pull
+
+clone:
+  disable: true
+
 
 steps:
 - name: pull
@@ -11,14 +15,21 @@ steps:
     - uname -r
     - cat /etc/fedora-release
 
+---
+kind: pipeline
+type: docker
+name: 'build and deploy'
+
+depends_on:
+- pull
+
+steps:
 - 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