add terminate to agent AvailabilityResponse (#1088)

* add terminate to agent AvailabilityResponse

* generated protobuf

* Create cold-buckets-press.md

---------

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: paulwe

.changeset/cold-buckets-press.md

@@ -0,0 +1,5 @@
+---
+"@livekit/protocol": patch
+---
+
+add terminate to agent AvailabilityResponse

livekit/livekit_agent.pb.go

@@ -140,11 +140,13 @@ message AvailabilityResponse {
   string job_id = 1;
   bool available = 2;
   bool supports_resume = 3;
+  bool terminate = 8;
 
   string participant_name = 4;
   string participant_identity = 5;
   string participant_metadata = 6;
   map<string, string> participant_attributes = 7;
+  // NEXT_ID: 9
 }
 
 message UpdateJobStatus {