chore(autofix): Warn in onboarding about missing github integration (#94243)

If the user doesn't have a github integration, put a warning before they
start a trial or go to checkout. (sorry, screenshot has outdated copy)

<img width="721" alt="Screenshot 2025-06-24 at 3 35 48 PM"
src="https://github.com/user-attachments/assets/c24baf6b-9de1-44b0-8336-2164de9da056"
/>

Author: roaga

static/gsApp/components/ai/AiSetupDataConsent.tsx

@@ -5,6 +5,7 @@ import autofixSetupImg from 'sentry-images/features/autofix-setup.svg';
 
 import {addSuccessMessage} from 'sentry/actionCreators/indicator';
 import {promptsUpdate} from 'sentry/actionCreators/prompts';
+import {Alert} from 'sentry/components/core/alert';
 import {Button} from 'sentry/components/core/button';
 import {Flex} from 'sentry/components/core/layout';
 import {useAutofixSetup} from 'sentry/components/events/autofix/useAutofixSetup';
@@ -58,6 +59,12 @@ function AiSetupDataConsent({groupId}: AiSetupDataConsentProps) {
 
   const userHasBillingAccess = organization.access.includes('org:billing');
 
+  const warnAboutGithubIntegration =
+    !autofixSetupData?.integration.ok &&
+    shouldShowBilling &&
+    !isTouchCustomer &&
+    !hasSeerButNeedsPayg;
+
   const autofixAcknowledgeMutation = useMutation({
     mutationFn: () => {
       return promptsUpdate(api, {
@@ -287,6 +294,13 @@ function AiSetupDataConsent({groupId}: AiSetupDataConsentProps) {
           </LegalText>
         )}
       </SingleCard>
+      {warnAboutGithubIntegration && (
+        <Alert type="warning">
+          {t(
+            'Seer currently works best with GitHub repositories, but support for other providers is coming soon. Either way, you can still use Seer to triage and dive into issues.'
+          )}
+        </Alert>
+      )}
     </ConsentItemsContainer>
   );
 }