update osm

src/App.jsx

@@ -2644,8 +2644,8 @@ function LocationSignalMap({ countries, locations }) {
       zoom: 1,
     })
 
-    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
-      attribution: '© OpenStreetMap contributors',
+    L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png', {
+      attribution: '© OpenStreetMap contributors © CARTO',
       maxZoom: 8,
     }).addTo(map)