Fix realtime connections pricing tier from 100 to 1000 (#3131)

Closes #

## ✅ Checklist

- [ ] I have followed every step in the [contributing
guide](https://github.com/triggerdotdev/trigger.dev/blob/main/CONTRIBUTING.md)
- [ ] The PR title follows the convention.
- [ ] I ran and tested the code works

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## Testing

Verified the pricing definition displays the correct tier amount on the
plan selection page.

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## Changelog

Fixed incorrect pricing tier for additional realtime connections from
$10/month per 100 to $10/month per 1000.

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## Screenshots

N/A

💯

https://claude.ai/code/session_015QrZZJHPWta3QCBnhX2Pff

Co-authored-by: Claude <noreply@anthropic.com>

apps/webapp/app/routes/resources.orgs.$organizationSlug.select-plan.tsx

@@ -210,7 +210,7 @@ const pricingDefinitions = {
   },
   additionalRealtimeConnections: {
     title: "Additional Realtime connections",
-    content: "Then $10/month per 100",
+    content: "Then $10/month per 1000",
   },
   additionalSeats: {
     title: "Additional seats",