allow discord send loop to exit with ctx done

internal/bridge/bridge.go

@@ -210,7 +210,7 @@ func (b *BridgeState) StartBridge() {
 		b.DiscordStream.discordSendPCM(ctx, cancel, toDiscord)
 	}()
 
-	// Monitor Mumble
+	// Monitor
 	wg.Add(1)
 	go func() {
 		defer wg.Done()

internal/bridge/discord.go

@@ -110,7 +110,11 @@ func (dd *DiscordDuplex) discordSendPCM(ctx context.Context, cancel context.Canc
 			lastReady = true
 			readyTimeout.Stop()
 		} else {
-			dd.Bridge.DiscordVoice.OpusSend <- opus
+			select {
+			case dd.Bridge.DiscordVoice.OpusSend <- opus:
+			case <-ctx.Done():
+			}
+
 			promDiscordSentPackets.Inc()
 		}
 		dd.Bridge.DiscordVoice.RWMutex.RUnlock()

internal/bridge/prom.go

@@ -85,7 +85,7 @@ var (
 
 	promDiscordReceivedPackets = promauto.NewCounter(prometheus.CounterOpts{
 		Name: "mdb_discord_received_count",
-		Help: "The number of received packed from Discord",
+		Help: "The number of received packets from Discord",
 	})
 
 	promDiscordSentPackets = promauto.NewCounter(prometheus.CounterOpts{