chore: clarify GitHub integration copy (supabase#46286)

Light rewording of the "How does the GitHub integration work?" section
on Integrations > GitHub

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: saltcod

apps/studio/components/interfaces/Settings/Integrations/GithubIntegration/GitHubIntegrationConnectionForm.tsx

@@ -460,7 +460,7 @@ export const GitHubIntegrationConnectionForm = ({
                           <FormItemLayout
                             layout="flex-row-reverse"
                             label="Deploy to production"
-                            description="Deploy changes to production on push including PR merges"
+                            description="Apply changes to your production database when you merge into your configured production GitHub branch"
                           >
                             <FormControl>
                               <Switch

apps/studio/components/interfaces/Settings/Integrations/GithubIntegration/GithubSection.tsx

@@ -54,9 +54,9 @@ export const GitHubSection = () => {
                   How does the GitHub integration work?
                 </h3>
                 <p className="text-sm text-foreground-light">
-                  Connecting to GitHub allows you to sync preview branches with a chosen GitHub
-                  branch, keep your production branch in sync, and automatically create preview
-                  branches for every pull request.
+                  Connect to GitHub to apply changes to your database when you merge into your
+                  production branch. If branching is enabled, each pull request gets its own preview
+                  database.
                 </p>
               </div>
               <div>