chore: update go-multiaddr to v0.15 #12912
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Updates the go-multiaddr dependency and this Lotus' usage of go-multiaddr. Rationale for this breaking change can be found in the draft release notes of go-multiaddr: https://github.com/multiformats/go-multiaddr/releases/. But the tl;dr is that this breaking change gets us away from the easy-to-misuse Mutliaddr interface that has led to many nil-ptr panics.
Another important thing to note:
You'll likely need this patch libp2p/go-libp2p-kad-dht#1046 backported to whatever go-libp2p-kad-dht version you're on if you don't want to update that dependency. Currently this branch points to a commit that is Lotus's current version of kad-dht (v0.25.2) plus that patch.
Requires: