swarm: Chunk refactor improvements (#17683)

* swarm/network: Protocol bump (for chunk refactor)

* swarm/network: Increase discovery and stream protocol version too

* swarm/network: Increase priority queue cap

swarm/network/protocol.go

@@ -44,7 +44,7 @@ const (
 // BzzSpec is the spec of the generic swarm handshake
 var BzzSpec = &protocols.Spec{
 	Name:       "bzz",
-	Version:    6,
+	Version:    7,
 	MaxMsgSize: 10 * 1024 * 1024,
 	Messages: []interface{}{
 		HandshakeMsg{},
@@ -54,7 +54,7 @@ var BzzSpec = &protocols.Spec{
 // DiscoverySpec is the spec for the bzz discovery subprotocols
 var DiscoverySpec = &protocols.Spec{
 	Name:       "hive",
-	Version:    5,
+	Version:    6,
 	MaxMsgSize: 10 * 1024 * 1024,
 	Messages: []interface{}{
 		peersMsg{},