chore: upgrade posthog-js to 1.261.7

Upgrade posthog-js to version 1.261.7 in package.json and sync corresponding changes in pnpm-lock.yaml.

Author: estib-vega

apps/desktop/package.json

@@ -71,7 +71,7 @@
 		"postcss-load-config": "catalog:postcss",
 		"postcss-nesting": "catalog:postcss",
 		"postcss-pxtorem": "catalog:postcss",
-		"posthog-js": "1.136.4",
+		"posthog-js": "1.261.7",
 		"reflect-metadata": "^0.2.2",
 		"svelte": "catalog:svelte",
 		"svelte-check": "catalog:svelte",