Bump github.com/grpc-ecosystem/grpc-gateway/v2 from 2.16.0 to 2.16.2

Bumps [github.com/grpc-ecosystem/grpc-gateway/v2](https://github.com/grpc-ecosystem/grpc-gateway) from 2.16.0 to 2.16.2.
- [Release notes](https://github.com/grpc-ecosystem/grpc-gateway/releases)
- [Changelog](https://github.com/grpc-ecosystem/grpc-gateway/blob/main/.goreleaser.yml)
- [Commits](https://github.com/grpc-ecosystem/grpc-gateway/compare/v2.16.0...v2.16.2)

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

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

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/BUILD.bazel

@@ -26,7 +26,7 @@ go_library(
     deps = [
         "//internal/httprule",
         "//utilities",
-        "@go_googleapis//google/api:httpbody_go_proto",
+        "@org_golang_google_genproto_googleapis_api//httpbody",
         "@org_golang_google_grpc//codes",
         "@org_golang_google_grpc//grpclog",
         "@org_golang_google_grpc//health/grpc_health_v1",
@@ -70,9 +70,9 @@ go_test(
         "//utilities",
         "@com_github_google_go_cmp//cmp",
         "@com_github_google_go_cmp//cmp/cmpopts",
-        "@go_googleapis//google/api:httpbody_go_proto",
-        "@go_googleapis//google/rpc:errdetails_go_proto",
-        "@go_googleapis//google/rpc:status_go_proto",
+        "@org_golang_google_genproto_googleapis_api//httpbody",
+        "@org_golang_google_genproto_googleapis_rpc//errdetails",
+        "@org_golang_google_genproto_googleapis_rpc//status",
         "@org_golang_google_grpc//:go_default_library",
         "@org_golang_google_grpc//codes",
         "@org_golang_google_grpc//health/grpc_health_v1",

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshal_httpbodyproto.go

@@ -26,7 +26,7 @@ func (h *HTTPBodyMarshaler) ContentType(v interface{}) string {
 // google.api.HttpBody message, otherwise it falls back to the default Marshaler.
 func (h *HTTPBodyMarshaler) Marshal(v interface{}) ([]byte, error) {
 	if httpBody, ok := v.(*httpbody.HttpBody); ok {
-		return httpBody.Data, nil
+		return httpBody.GetData(), nil
 	}
 	return h.Marshaler.Marshal(v)
 }