Obey dial timeouts

[Stebalien]

We need to add timeouts/deadlines to reads/writes when dialing. This should not happen:

goroutine 1813864247 [3h33m0s]:
sync.runtime_SemacquireMutex [0xc0f7765c04, 0x0]
        /usr/lib/go/src/runtime/sema.go:71
sync.(*Mutex).Lock [0xc0f7765c00]
        /usr/lib/go/src/sync/mutex.go:134
sync.(*Once).Do [0xc0f7765c00, 0xc01001b668]
        /usr/lib/go/src/sync/once.go:40
github.com/multiformats/go-multistream.(*lazyClientConn).Read [0xc0f7765c00, 0xc0b4a08000, 0x1, 0x1000, 0x25, 0x25, 0x26]
        pkg/mod/github.com/multiformats/[email protected]/lazyClient.go:64
github.com/libp2p/go-libp2p/p2p/host/basic.(*streamWrapper).Read [0xc01ebbd040, 0xc0b4a08000, 0x1, 0x1000, 0xc01001b6c0, 0xc01001b740, 0xf0f6d2]
        pkg/mod/github.com/libp2p/[email protected]/p2p/host/basic/basic_host.go:732
github.com/libp2p/go-libp2p-circuit.(*delimitedReader).ReadByte [0xc1695b6300, 0x76, 0x0, 0x0]
        pkg/mod/github.com/libp2p/[email protected]/util.go:92
encoding/binary.ReadUvarint [0x1a9a6a0, 0xc1695b6300, 0x0, 0x0, 0x75]
        /usr/lib/go/src/encoding/binary/varint.go:110
github.com/libp2p/go-libp2p-circuit.(*delimitedReader).ReadMsg [0xc1695b6300, 0x1abf380, 0xc0ff1f5880, 0x0, 0x0]
        pkg/mod/github.com/libp2p/[email protected]/util.go:97
github.com/libp2p/go-libp2p-circuit.(*Relay).DialPeer [0xc000184900, 0x1ac53c0, 0xc185e62cc0, 0xc0cfca4780, 0x22, 0x0, 0x0, 0x0, 0xc0a20b0900, 0x22, ...]
        pkg/mod/github.com/libp2p/[email protected]/relay.go:172
github.com/libp2p/go-libp2p-circuit.(*Relay).tryDialRelays [0xc000184900, 0x1ac53c0, 0xc106b30600, 0xc0a20b0900, 0x22, 0xc046de0c70, 0x1, 0x1, 0x0, 0x0, ...]
        pkg/mod/github.com/libp2p/[email protected]/dial.go:79
github.com/libp2p/go-libp2p-circuit.(*Relay).Dial [0xc000184900, 0x1ac53c0, 0xc106b30600, 0x1adbda0, 0xc0f9bde000, 0xc0a20b0900, 0x22, 0xc000107e80, 0x2, 0x2]
        pkg/mod/github.com/libp2p/[email protected]/dial.go:47
github.com/libp2p/go-libp2p-circuit.(*RelayTransport).Dial [0xc000184900, 0x1ac53c0, 0xc106b30600, 0x1adbda0, 0xc0f9bde000, 0xc0a20b0900, 0x22, 0x97bc38, 0x10, 0x1947708, ...]
        pkg/mod/github.com/libp2p/[email protected]/dial.go:15
github.com/libp2p/go-libp2p-swarm.(*Swarm).dialAddr [0xc0004f0b40, 0x1ac53c0, 0xc106b30600, 0xc0a20b0900, 0x22, 0x1adbda0, 0xc0f9bde000, 0x0, 0xc171fca510, 0xc106b30600, ...]
        pkg/mod/github.com/libp2p/[email protected]/swarm_dial.go:461
github.com/libp2p/go-libp2p-swarm.(*dialLimiter).executeDial [0xc0005702d0, 0xc180a437c0]
        pkg/mod/github.com/libp2p/[email protected]/limiter.go:217
created by github.com/libp2p/go-libp2p-swarm. [*dialLimiter).addCheckFdLimi]
        pkg/mod/github.com/libp2p/[email protected]/limiter.go:167

[Stebalien]

In theory, this can completely stall any and all dials to this peer.

Nvm, it's not that bad.