docs: add redirect for update.html

Author: Shinigami92

netlify.toml

@@ -20,3 +20,10 @@
   to = "https://stackblitz.com/edit/faker-js-demo?file=index.ts"
   status = 301
   force = true
+
+# Redirect old update page to new announcement section
+[[redirects]]
+  from = "/update.html"
+  to = "https://chat.fakerjs.dev/about/2022-01-14.html"
+  status = 301
+  force = true