perf: dynamically import posthog (#2622)

apps/remix/app/entry.client.tsx

@@ -3,7 +3,6 @@ import { dynamicActivate } from '@documenso/lib/utils/i18n';
 import { i18n } from '@lingui/core';
 import { detect, fromHtmlTag } from '@lingui/detect-locale';
 import { I18nProvider } from '@lingui/react';
-import posthog from 'posthog-js';
 import { StrictMode, startTransition, useEffect } from 'react';
 import { hydrateRoot } from 'react-dom/client';
 import { HydratedRouter } from 'react-router/dom';
@@ -15,9 +14,11 @@ function PosthogInit() {
 
   useEffect(() => {
     if (postHogConfig) {
-      posthog.init(postHogConfig.key, {
-        api_host: postHogConfig.host,
-        capture_exceptions: true,
+      void import('posthog-js').then(({ default: posthog }) => {
+        posthog.init(postHogConfig.key, {
+          api_host: postHogConfig.host,
+          capture_exceptions: true,
+        });
       });
     }
   }, []);