Fix a HAML indentation error in app/views/projects/edit.html.haml

Signed-off-by: Rémy Coutable <remy@rymai.me>

app/views/projects/edit.html.haml

@@ -85,7 +85,7 @@
                   %span.descr Enable Container Registry for this repository
         %hr
         = render 'issues_settings', f: f
-	%hr
+        %hr
         = render 'merge_request_settings', f: f
         %hr
         = render 'builds_settings', f: f