change single to double quotes

app/src/MaplibreMap.tsx

@@ -381,7 +381,7 @@ function MaplibreMap(props: { file: PMTiles }) {
     const popup = new maplibregl.Popup({
       closeButton: false,
       closeOnClick: false,
-      maxWidth: 'none',
+      maxWidth: "none",
     });
 
     mapRef.current = map;