FIX: run pull_compatible_all as discourse

FIX: run pull_compatible_all as discourse

diff --git a/templates/web.template.yml b/templates/web.template.yml
index e7ed111..7ddddd7 100644
--- a/templates/web.template.yml
+++ b/templates/web.template.yml
@@ -154,7 +154,8 @@ run:
 
   - exec:
       cd: $home
-      cmd: bundle exec rake plugin:pull_compatible_all
+      cmd:
+        - su discourse -c 'bundle exec rake plugin:pull_compatible_all'
       raise_on_fail: false
 
   - exec:

GitHub sha: 71db2f24