[IAVL]: Bump to v0.15.0-rc4 (#7549)

* iavl 0.15.0-rc4 version bump

* update comments on error modes for store.LoadStore

* update CONFIO_URL in makefile

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Makefile

@@ -390,7 +390,7 @@ proto-check-breaking-docker:
 TM_URL           = https://raw.githubusercontent.com/tendermint/tendermint/v0.34.0-rc5/proto/tendermint
 GOGO_PROTO_URL   = https://raw.githubusercontent.com/regen-network/protobuf/cosmos
 COSMOS_PROTO_URL = https://raw.githubusercontent.com/regen-network/cosmos-proto/master
-CONFIO_URL 		 = https://raw.githubusercontent.com/confio/ics23/v0.6.2
+CONFIO_URL 		 = https://raw.githubusercontent.com/confio/ics23/v0.6.3
 
 TM_CRYPTO_TYPES     = third_party/proto/tendermint/crypto
 TM_ABCI_TYPES       = third_party/proto/tendermint/abci

go.mod

@@ -9,9 +9,9 @@ require (
 	github.com/bgentry/speakeasy v0.1.0
 	github.com/btcsuite/btcd v0.21.0-beta
 	github.com/btcsuite/btcutil v1.0.2
-	github.com/confio/ics23/go v0.0.0-20200817220745-f173e6211efb
+	github.com/confio/ics23/go v0.6.3
 	github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d
-	github.com/cosmos/iavl v0.15.0-rc3
+	github.com/cosmos/iavl v0.15.0-rc4
 	github.com/cosmos/ledger-cosmos-go v0.11.1
 	github.com/dgraph-io/badger/v2 v2.2007.2 // indirect
 	github.com/dgraph-io/ristretto v0.0.3 // indirect
@@ -24,7 +24,7 @@ require (
 	github.com/golang/snappy v0.0.2 // indirect
 	github.com/gorilla/handlers v1.5.1
 	github.com/gorilla/mux v1.8.0
-	github.com/grpc-ecosystem/grpc-gateway v1.15.0
+	github.com/grpc-ecosystem/grpc-gateway v1.15.2
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/magiconair/properties v1.8.4
 	github.com/mattn/go-isatty v0.0.12
@@ -47,11 +47,10 @@ require (
 	github.com/tendermint/go-amino v0.16.0
 	github.com/tendermint/tendermint v0.34.0-rc5
 	github.com/tendermint/tm-db v0.6.2
-	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
+	golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee
 	golang.org/x/net v0.0.0-20200930145003-4acb6c075d10 // indirect
-	golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f // indirect
-	google.golang.org/genproto v0.0.0-20200825200019-8632dd797987
-	google.golang.org/grpc v1.32.0
+	google.golang.org/genproto v0.0.0-20201014134559-03b6142f0dc9
+	google.golang.org/grpc v1.33.0
 	google.golang.org/protobuf v1.25.0
 	gopkg.in/yaml.v2 v2.3.0
 )