Fix ESLint issues

src/lib/util/stats.ts

@@ -1,15 +1,19 @@
 import { browser } from '$app/env';
+import type { AnalyticsInstance } from 'analytics';
 
-export let analytics;
+export let analytics: AnalyticsInstance;
 
 export const initAnalytics = async (): Promise<void> => {
 	if (browser && !analytics) {
 		try {
 			const { Analytics } = await import('analytics');
+			// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 			const googleAnalytics = await import('@analytics/google-analytics');
 			analytics = Analytics({
 				app: 'mermaid-live-editor',
+				// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 				plugins: [
+					// eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access
 					googleAnalytics.init({
 						trackingId: 'UA-153180559-1'
 					})
@@ -37,7 +41,7 @@ export const saveStatistcs = (graph: string): void => {
 		timeout = setTimeout(function () {
 			const graphType = detectType(graph);
 			console.debug('ga:', 'send', 'event', 'render', graphType);
-			analytics.track('render', {
+			void analytics.track('render', {
 				graphType
 			});
 		}, 5000);