changed url to ga import docs (#1796)

lib/plausible_web/templates/site/settings_general.html.eex

@@ -57,7 +57,7 @@
   <header class="relative mt-4">
     <h2 class="text-lg leading-6 font-medium text-gray-900 dark:text-gray-100">Data Import from Google Analytics</h2>
     <p class="mt-1 text-sm leading-5 text-gray-500 dark:text-gray-200">Import existing data from your Google Analytics account.</p>
-    <%= link(to: "https://docs.plausible.io/import-data/", target: "_blank", rel: "noreferrer") do %>
+    <%= link(to: "https://plausible.io/docs/google-analytics-import", target: "_blank", rel: "noreferrer") do %>
       <svg class="w-6 h-6 absolute top-0 right-0 text-gray-400" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z" clip-rule="evenodd"></path></svg>
     <% end %>
   </header>