chore: Iavl iterator (backport #10544) (#10546)

* chore: Iavl iterator (#10544)

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## Description

Closes: #10335

This PR adds a custom version of cosmos/iavl(cosmos/iavl#440) that removes the usage of channel-based approach on iterating IAVL tree.

replaces cosmos/cosmos-sdk#10404

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/confio/ics23/go v0.6.6
 	github.com/cosmos/go-bip39 v1.0.0
-	github.com/cosmos/iavl v0.17.1
+	github.com/cosmos/iavl v0.17.2
 	github.com/cosmos/ledger-cosmos-go v0.11.1
 	github.com/dgraph-io/ristretto v0.0.3 // indirect
 	github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 // indirect
@@ -52,10 +52,11 @@ require (
 	github.com/tendermint/tm-db v0.6.4
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
 	google.golang.org/genproto v0.0.0-20210114201628-6edceaf6022f
-	google.golang.org/grpc v1.40.0
+	google.golang.org/grpc v1.42.0
 	google.golang.org/protobuf v1.26.0
 	gopkg.in/ini.v1 v1.61.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0
+
 )
 
 replace google.golang.org/grpc => google.golang.org/grpc v1.33.2