style: adjust grid gaps in controls for new sort option

- Reduce row gap to match padding
- Reduce column gap to match plugin grid gap

Author: DavidGBrett

src/pages/plugins/index.astro

@@ -79,7 +79,8 @@ const hasFeaturedPlugins = featured.length > 0;
 .controls {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
-    gap: 24px;
+    column-gap: 20px;
+    row-gap: 12px;
     margin-top: 24px;
     position: sticky;
     top: 68px;