Update CODEOWNERS for realtime documentation (#25267)

Replace @cloudflare/calls with @cloudflare/realtime and @cloudflare/realtimekit teams for better ownership alignment of realtime-related documentation and assets.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <[email protected]>

Author: renandincer

.github/CODEOWNERS

@@ -115,9 +115,9 @@
 /src/content/release-notes/queues.yaml @elithrar @jonesphillip @cloudflare/pcx-technical-writing
 /src/content/docs/r2/ @oxyjun @elithrar @jonesphillip @aninibread @harshil1712 @cloudflare/workers-docs @cloudflare/pcx-technical-writing
 /src/content/release-notes/r2.yaml @oxyjun @elithrar @aninibread @cloudflare/workers-docs @cloudflare/pcx-technical-writing
-/src/content/docs/realtime/ @cloudflare/pcx-technical-writing @cloudflare/calls @roerohan @ravindra-dyte
-/src/assets/images/realtime/ @cloudflare/pcx-technical-writing @cloudflare/calls @roerohan @ravindra-dyte
-/public/realtime/ @cloudflare/pcx-technical-writing @cloudflare/calls @roerohan @ravindra-dyte
+/src/content/docs/realtime/ @cloudflare/pcx-technical-writing @cloudflare/realtime @cloudflare/RealtimeKit @roerohan @ravindra-dyte
+/src/assets/images/realtime/ @cloudflare/pcx-technical-writing @cloudflare/realtime @cloudflare/RealtimeKit @roerohan @ravindra-dyte
+/public/realtime/ @cloudflare/pcx-technical-writing @cloudflare/realtime @cloudflare/RealtimeKit @roerohan @ravindra-dyte
 /src/content/docs/stream/ @tsmith512 @ToriLindsay @cloudflare/pcx-technical-writing @renandincer @third774
 /src/content/release-notes/stream.yaml @tsmith512 @ToriLindsay @cloudflare/pcx-technical-writing
 /src/content/docs/workers/ @cloudflare/workers-docs @GregBrimble @irvinebroque @mikenomitch @korinne @WalshyDev @cloudflare/deploy-config @cloudflare/pcx-technical-writing @kodster28 @cloudflare/wrangler @cloudflare/workers-runtime-1