docs: Small github social auth changes (supabase#40296)

Tiny github social auth changes

Author: ChrisChinchilla

apps/docs/content/_partials/social_provider_setup.mdx

@@ -2,7 +2,7 @@ The next step requires a callback URL, which looks like this: `https://<project-
 
 - Go to your [Supabase Project Dashboard](/dashboard)
 - Click on the `Authentication` icon in the left sidebar
-- Click on [`Providers`](/dashboard/project/_/auth/providers) under the Configuration section
+- Click on [`Sign In / Providers`](/dashboard/project/_/auth/providers) under the Configuration section
 - Click on **{{ .provider }}** from the accordion list to expand and you'll find your **Callback URL**, you can click `Copy` to copy it to the clipboard
 
 <Admonition type="note">

apps/docs/content/guides/auth/social-login/auth-github.mdx

@@ -10,7 +10,7 @@ To enable GitHub Auth for your project, you need to set up a GitHub OAuth applic
 
 Setting up GitHub logins for your application consists of 3 parts:
 
-- Create and configure a GitHub OAuth App on [GitHub](https://github.com)
+- Create and configure a GitHub OAuth App on [GitHub](https://github.com/settings/applications/new)
 - Add your GitHub OAuth keys to your [Supabase Project](/dashboard)
 - Add the login code to your [Supabase JS Client App](https://github.com/supabase/supabase-js)