Update node.js workaround from global → globalThis

the node.js global object is deprecated in favor of the cross-platform standard globalThis object. references:
• https://nodejs.org/api/globals.html#global
• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis

prism.js

@@ -1214,8 +1214,8 @@ if (typeof module !== 'undefined' && module.exports) {
 }
 
 // hack for components to work correctly in node.js
-if (typeof global !== 'undefined') {
-	global.Prism = Prism;
+if (typeof globalThis !== 'undefined') {
+	globalThis.Prism = Prism;
 }
 
 // some additional documentation/types