Fix scss lint number-max-precision error

Expected "1.31578947368" to be "1.3158"

Author: AgaDufrat

app/assets/stylesheets/components/_download-link.scss

@@ -11,7 +11,7 @@
 
 .app-c-download-link__icon {
   margin-right: .5em;
-  height: 1.31578947368em; // 25 / 19
-  width: 1.31578947368em;
+  height: 1.3158em; // 25 / 19
+  width: 1.3158em;
   vertical-align: middle;
 }