go: Bump libp2p to 0.18.0

[kostko]

No description provided.

[codecov]

Codecov Report

Merging #4578 (e7d18c1) into master (c2e6b41) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4578      +/-   ##
==========================================
- Coverage   67.13%   67.08%   -0.05%     
==========================================
  Files         424      424              
  Lines       48030    48030              
==========================================
- Hits        32243    32223      -20     
- Misses      11866    11882      +16     
- Partials     3921     3925       +4     

Impacted Files	Coverage Δ
go/common/cbor/codec.go	78.37% <0.00%> (-5.41%)	⬇️
go/storage/mkvs/lookup.go	75.00% <0.00%> (-4.17%)	⬇️
go/consensus/tendermint/full/services.go	77.69% <0.00%> (-3.85%)	⬇️
go/runtime/host/protocol/connection.go	69.17% <0.00%> (-3.01%)	⬇️
go/worker/keymanager/worker.go	63.92% <0.00%> (-2.29%)	⬇️
.../consensus/tendermint/apps/roothash/state/state.go	73.91% <0.00%> (-2.18%)	⬇️
go/consensus/tendermint/roothash/roothash.go	68.07% <0.00%> (-1.91%)	⬇️
go/consensus/tendermint/abci/state.go	75.36% <0.00%> (-1.76%)	⬇️
go/roothash/api/grpc.go	45.18% <0.00%> (-0.84%)	⬇️
go/worker/storage/committee/node.go	78.26% <0.00%> (-0.56%)	⬇️
... and 16 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 15a5902...e7d18c1. Read the comment docs.