fix: avoid direct assignment of innerHTML for Advanced Marker-based cluster pins (#744)

Author: sandeepk-e

src/renderer.ts

@@ -127,9 +127,11 @@ export class DefaultRenderer implements Renderer {
 
     if (MarkerUtils.isAdvancedMarkerAvailable(map)) {
       // create cluster SVG element
-      const div = document.createElement("div");
-      div.innerHTML = svg;
-      const svgEl = div.firstElementChild;
+      const parser = new DOMParser();
+      const svgEl = parser.parseFromString(
+        svg,
+        "image/svg+xml"
+      ).documentElement;
       svgEl.setAttribute("transform", "translate(0 25)");
 
       const clusterOptions: google.maps.marker.AdvancedMarkerElementOptions = {