feat: add Realtime API support (#1958)

More information on the Realtime API can be found here:
https://platform.openai.com/docs/guides/realtime

Author: stainless-app[bot]

.stats.yml

@@ -1,2 +1,2 @@
 configured_endpoints: 69
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai-779ea2754025daf5e18eb8ceb203ec321692636bc3a999338556a479178efa6c.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai-0d64ca9e45f51b4279f87b205eeb3a3576df98407698ce053f2e2302c1c08df1.yml

api.md

@@ -239,6 +239,57 @@ Methods:
 
 ## Realtime
 
+Types:
+
+```python
+from openai.types.beta.realtime import (
+    ConversationCreatedEvent,
+    ConversationItem,
+    ConversationItemContent,
+    ConversationItemCreateEvent,
+    ConversationItemCreatedEvent,
+    ConversationItemDeleteEvent,
+    ConversationItemDeletedEvent,
+    ConversationItemInputAudioTranscriptionCompletedEvent,
+    ConversationItemInputAudioTranscriptionFailedEvent,
+    ConversationItemTruncateEvent,
+    ConversationItemTruncatedEvent,
+    ErrorEvent,
+    InputAudioBufferAppendEvent,
+    InputAudioBufferClearEvent,
+    InputAudioBufferClearedEvent,
+    InputAudioBufferCommitEvent,
+    InputAudioBufferCommittedEvent,
+    InputAudioBufferSpeechStartedEvent,
+    InputAudioBufferSpeechStoppedEvent,
+    RateLimitsUpdatedEvent,
+    RealtimeClientEvent,
+    RealtimeResponse,
+    RealtimeResponseStatus,
+    RealtimeResponseUsage,
+    RealtimeServerEvent,
+    ResponseAudioDeltaEvent,
+    ResponseAudioDoneEvent,
+    ResponseAudioTranscriptDeltaEvent,
+    ResponseAudioTranscriptDoneEvent,
+    ResponseCancelEvent,
+    ResponseContentPartAddedEvent,
+    ResponseContentPartDoneEvent,
+    ResponseCreateEvent,
+    ResponseCreatedEvent,
+    ResponseDoneEvent,
+    ResponseFunctionCallArgumentsDeltaEvent,
+    ResponseFunctionCallArgumentsDoneEvent,
+    ResponseOutputItemAddedEvent,
+    ResponseOutputItemDoneEvent,
+    ResponseTextDeltaEvent,
+    ResponseTextDoneEvent,
+    SessionCreatedEvent,
+    SessionUpdateEvent,
+    SessionUpdatedEvent,
+)
+```
+
 ### Sessions
 
 Types: