[v8.5.x] Drone: Always have image_pull_secrets (#55530) (#67249)

Drone: Always have `image_pull_secrets` (#55530)

Having it doesn't prevent pulling any images, so it's easier if it's everywhere

(cherry picked from commit a44c0040a9)

Co-authored-by: Julien Duchesne <julien.duchesne@grafana.com>

scripts/drone/utils/utils.star

@@ -47,6 +47,7 @@ def pipeline(
             },
         }],
         'depends_on': depends_on,
+        'image_pull_secrets': [pull_secret],
     }
     if environment:
         pipeline.update({
@@ -57,7 +58,6 @@ def pipeline(
     pipeline.update(platform_conf)
 
     if edition in ('enterprise', 'enterprise2'):
-        pipeline['image_pull_secrets'] = [pull_secret]
         # We have a custom clone step for enterprise
         pipeline['clone'] = {
             'disable': True,