build(deps): bump github.com/grpc-ecosystem/grpc-gateway/v2

Bumps [github.com/grpc-ecosystem/grpc-gateway/v2](https://github.com/grpc-ecosystem/grpc-gateway) from 2.15.2 to 2.16.1.
- [Release notes](https://github.com/grpc-ecosystem/grpc-gateway/releases)
- [Changelog](https://github.com/grpc-ecosystem/grpc-gateway/blob/main/.goreleaser.yml)
- [Commits](grpc-ecosystem/grpc-gateway@v2.15.2...v2.16.1)

---
updated-dependencies:
- dependency-name: github.com/grpc-ecosystem/grpc-gateway/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -9,25 +9,25 @@ require (
 	github.com/golang/protobuf v1.5.3
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.1
 	github.com/regen-network/cosmos-proto v0.3.1
 	github.com/spf13/cast v1.5.1
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.8.3
 	github.com/tendermint/tendermint v0.34.24
 	github.com/tendermint/tm-db v0.6.7
-	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4
-	google.golang.org/grpc v1.55.0
+	google.golang.org/genproto/googleapis/api v0.0.0-20230724170836-66ad5b6ff146
+	google.golang.org/grpc v1.56.2
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
-	cloud.google.com/go v0.110.0 // indirect
-	cloud.google.com/go/compute v1.18.0 // indirect
+	cloud.google.com/go v0.110.4 // indirect
+	cloud.google.com/go/compute v1.20.1 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
-	cloud.google.com/go/iam v0.12.0 // indirect
-	cloud.google.com/go/storage v1.28.1 // indirect
+	cloud.google.com/go/iam v1.1.0 // indirect
+	cloud.google.com/go/storage v1.30.1 // indirect
 	cosmossdk.io/errors v1.0.0-beta.7 // indirect
 	cosmossdk.io/math v1.0.0-beta.3 // indirect
 	filippo.io/edwards25519 v1.0.0-rc.1 // indirect
@@ -99,9 +99,10 @@ require (
 	github.com/google/gopacket v1.1.19 // indirect
 	github.com/google/orderedcode v0.0.1 // indirect
 	github.com/google/pprof v0.0.0-20221203041831-ce31453925ec // indirect
+	github.com/google/s2a-go v0.1.4 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
-	github.com/googleapis/gax-go/v2 v2.7.0 // indirect
+	github.com/googleapis/gax-go/v2 v2.11.0 // indirect
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/gorilla/rpc v1.2.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
@@ -229,20 +230,22 @@ require (
 	go.uber.org/fx v1.18.2 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/exp v0.0.0-20230213192124-5e25df0256eb // indirect
 	golang.org/x/mod v0.8.0 // indirect
-	golang.org/x/net v0.8.0 // indirect
-	golang.org/x/oauth2 v0.6.0 // indirect
-	golang.org/x/sync v0.1.0 // indirect
-	golang.org/x/sys v0.6.0 // indirect
-	golang.org/x/term v0.6.0 // indirect
-	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/net v0.12.0 // indirect
+	golang.org/x/oauth2 v0.10.0 // indirect
+	golang.org/x/sync v0.2.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/term v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
 	golang.org/x/tools v0.6.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-	google.golang.org/api v0.110.0 // indirect
+	google.golang.org/api v0.126.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
+	google.golang.org/genproto v0.0.0-20230706204954-ccb25ca9f130 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230724170836-66ad5b6ff146 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.1.7 // indirect