go: bump github.com/coinbase/rosetta-sdk-go from 0.3.3 to 0.6.4

Bumps [github.com/coinbase/rosetta-sdk-go](https://github.com/coinbase/rosetta-sdk-go) from 0.3.3 to 0.6.4.
- [Release notes](https://github.com/coinbase/rosetta-sdk-go/releases)
- [Commits](coinbase/mesh-sdk-go@v0.3.3...v0.6.4)

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -6,10 +6,10 @@ replace github.com/tendermint/tendermint => github.com/oasisprotocol/tendermint
 
 require (
 	github.com/coinbase/rosetta-cli v0.4.0
-	github.com/coinbase/rosetta-sdk-go v0.3.3
+	github.com/coinbase/rosetta-sdk-go v0.6.4
 	github.com/dgraph-io/badger v1.6.2
 	github.com/oasisprotocol/ed25519 v0.0.0-20201103162138-a1dadbe24dd5
 	github.com/oasisprotocol/oasis-core/go v0.2012.1
-	github.com/vmihailenco/msgpack/v5 v5.0.0-beta.1
+	github.com/vmihailenco/msgpack/v5 v5.1.0
 	google.golang.org/grpc v1.32.0
 )