fixed minor animation glitch in mini pipeline graph animation

app/assets/stylesheets/pages/pipelines.scss

@@ -827,7 +827,7 @@
     margin-right: -8px;
 
     .ci-status-icon {
-      width: 28px;
+      width: 32px;
       padding: 0 8px 0 0;
       transition: width 0.2s cubic-bezier(0.25, 0, 1, 1);
 
@@ -909,4 +909,4 @@
       min-height: 450px;
     }
   }
-}
\ No newline at end of file
+}