fix(deps): update module github.com/grpc-ecosystem/grpc-gateway to v2

Author: renovate[bot]

gwy/templates/go.mod.tmpl

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/gorilla/handlers v1.5.1
-	github.com/grpc-ecosystem/grpc-gateway v1.16.0
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.2
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.0.1
 	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/pflag v1.0.5