libsignalgo: update libsignal to v0.51.0

pkg/libsignalgo/libsignal-ffi.h

@@ -292,6 +292,11 @@ typedef struct SignalSgxClientState SignalSgxClientState;
 
 /**
  * The top-level error type (opaquely) returned to C clients when something goes wrong.
+ *
+ * Ideally this would use [ThinBox][], and then we wouldn't need an extra level of indirection when
+ * returning it to C, but unfortunately that isn't stable yet.
+ *
+ * [ThinBox]: https://doc.rust-lang.org/std/boxed/struct.ThinBox.html
  */
 typedef struct SignalFfiError SignalFfiError;
 
@@ -634,6 +639,8 @@ typedef void (*SignalReceivedIncomingMessage)(void *ctx, SignalOwnedBuffer envel
 
 typedef void (*SignalReceivedQueueEmpty)(void *ctx);
 
+typedef void (*SignalConnectionInterrupted)(void *ctx);
+
 typedef void (*SignalDestroyChatListener)(void *ctx);
 
 /**
@@ -647,6 +654,7 @@ typedef struct {
   void *ctx;
   SignalReceivedIncomingMessage received_incoming_message;
   SignalReceivedQueueEmpty received_queue_empty;
+  SignalConnectionInterrupted connection_interrupted;
   SignalDestroyChatListener destroy;
 } SignalFfiChatListenerStruct;
 
@@ -1572,6 +1580,8 @@ SignalFfiError *signal_chat_server_set_listener(const SignalTokioAsyncContext *r
 
 SignalFfiError *signal_testing_chat_service_inject_raw_server_request(const SignalChat *chat, SignalBorrowedBuffer bytes);
 
+SignalFfiError *signal_testing_chat_service_inject_connection_interrupted(const SignalChat *chat);
+
 SignalFfiError *signal_server_message_ack_destroy(SignalServerMessageAck *p);
 
 SignalFfiError *signal_server_message_ack_send(SignalCPromisebool *promise, const SignalTokioAsyncContext *async_runtime, const SignalServerMessageAck *ack);

pkg/libsignalgo/version.go

@@ -2,4 +2,4 @@
 
 package libsignalgo
 
-const Version = "v0.49.0"
+const Version = "v0.51.0"