leaflet: Update marker classes to accept both Icon and DivIcon

leaflet/index.d.ts

@@ -1466,7 +1466,7 @@ declare namespace L {
     export function divIcon(options?: DivIconOptions): DivIcon;
 
     export interface MarkerOptions extends InteractiveLayerOptions {
-        icon?: Icon;
+        icon?: Icon | DivIcon;
         clickable?: boolean;
         draggable?: boolean;
         keyboard?: boolean;
@@ -1483,7 +1483,7 @@ declare namespace L {
         getLatLng(): LatLng;
         setLatLng(latlng: LatLngExpression): this;
         setZIndexOffset(offset: number): this;
-        setIcon(icon: Icon): this;
+        setIcon(icon: Icon | DivIcon): this;
         setOpacity(opacity: number): this;
         getElement(): HTMLElement;
 

leaflet/leaflet-tests.ts

@@ -447,3 +447,13 @@ L.marker([1, 2], {
 		iconUrl: 'my-icon.png'
 	})
 }).bindPopup('<p>Hi</p>');
+
+L.marker([1, 2], {
+	icon: L.divIcon({
+		className: 'my-icon-class'
+	})
+}).setIcon(L.icon({
+	iconUrl: 'my-icon.png'
+})).setIcon(L.divIcon({
+	className: 'my-div-icon'
+}));;