Update nim-libp2p and other submodules

Need to use latest libp2p for GossipSub bug fix, safer to update all

Use MultiAddr.tryGet() per resultification upstream

tests/v2/standard_setup.nim

@@ -22,7 +22,7 @@ export
   switch, peer, peerinfo, connection, multiaddress, crypto
 
 proc newStandardSwitch*(privKey = none(PrivateKey),
-                        address = MultiAddress.init("/ip4/127.0.0.1/tcp/0"),
+                        address = MultiAddress.init("/ip4/127.0.0.1/tcp/0").tryGet(),
                         triggerSelf = false,
                         gossip = false,
                         verifySignature = libp2p_pubsub_verify,

vendor/nim-faststreams

@@ -1 +1 @@
-Subproject commit 5d7cad792ff782672cc46a84cfcae341b55e2437
+Subproject commit 81c24860e2622a15e05c81d15e3d1cc02c460870

vendor/nim-json-serialization

@@ -1 +1 @@
-Subproject commit aa51f6fed1715a91fd8b58072a1915422a133d4a
+Subproject commit 8d4c31f7c2f56e17ec3325ec054fe15ccf4e89d4

vendor/nim-libp2p

@@ -1 +1 @@
-Subproject commit 7b6e1c06888a831d61d7019a07d2d59d5bd079ea
+Subproject commit 6affcda9378593f96e9d2b75f9d9ac5e6e33c526

vendor/nim-serialization

@@ -1 +1 @@
-Subproject commit 16e6bcd16d71eba932978ebc22908da414f52db7
+Subproject commit d8ca3daf3a788f357bf96b8e61b3ffce9a018ea2

waku/node/v2/start_network.nim

@@ -39,7 +39,7 @@ proc initNodeCmd(shift: int, staticNodes: seq[string] = @[], master = false, lab
     port = 60000 + shift
     #DefaultAddr = "/ip4/127.0.0.1/tcp/55505"
     address = "/ip4/127.0.0.1/tcp/" & $port
-    hostAddress = MultiAddress.init(address)
+    hostAddress = MultiAddress.init(address).tryGet()
 
   info "Address", address
   # TODO: Need to port shift

waku/node/v2/wakunode.nim

@@ -30,11 +30,11 @@ proc setBootNodes(nodes: openArray[string]): seq[ENode] =
     result.add(ENode.fromString(nodeId).expect("correct node"))
 
 proc initAddress(T: type MultiAddress, str: string): T =
-  let address = MultiAddress.init(str)
+  let address = MultiAddress.init(str).tryGet()
   if IPFS.match(address) and matchPartial(multiaddress.TCP, address):
     result = address
   else:
-    raise newException(MultiAddressError,
+    raise newException(ValueError,
                        "Invalid bootstrap node multi-address")
 
 proc dialPeer(p: WakuProto, address: string) {.async.} =
@@ -123,7 +123,7 @@ proc run(config: WakuNodeConf) =
     #port = 60000 + tcpPort
     #DefaultAddr = "/ip4/127.0.0.1/tcp/55505"
     address = "/ip4/127.0.0.1/tcp/" & $tcpPort
-    hostAddress = MultiAddress.init(address)
+    hostAddress = MultiAddress.init(address).tryGet()
 
     # XXX: Address and hostAddress usage needs more clarity
     # Difference between announced and host address relevant for running behind NAT, however doesn't seem like nim-libp2p supports this. GHI?
@@ -137,7 +137,7 @@ proc run(config: WakuNodeConf) =
 
   #INF 2020-05-28 11:15:50+08:00 Initializing networking (host address and announced same) tid=15555 address=192.168.1.101:30305:30305
   info "Initializing networking (nat address unused)", nat_address, address
-  peerInfo.addrs.add(Multiaddress.init(address))
+  peerInfo.addrs.add(Multiaddress.init(address).tryGet())
 
   # switch.pubsub = wakusub, plus all the peer info etc
   # And it has wakuProto lets use wakuProto maybe, cause it has switch