feat: update tests to support client service

Author: GeekMasher

go/ql/test/library-tests/semmle/go/frameworks/GoMicro/client/main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	pb "codeql-go-tests/frameworks/GoMicro/proto"
+	"context"
+	"fmt"
+	"log"
+
+	"go-micro.dev/v4"
+)
+
+func main() {
+	// service
+	service := micro.NewService()
+	service.Init()
+	// context
+	ctx := context.Background()
+
+	greeterService := pb.NewGreeterService("http://localhost:8000", service.Client())
+	// request
+	req := pb.Request{Name: "Mona"}
+	resp, err := greeterService.Hello(ctx, &req)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Hello :: %s", resp.Greeting)
+}

go/ql/test/library-tests/semmle/go/frameworks/GoMicro/gomicro.expected

@@ -1 +1,4 @@
+serverRequests
 | main.go:14:46:14:48 | definition of req |
+clientRequests
+| client/main.go:19:41:19:63 | "http://localhost:8000" |

go/ql/test/library-tests/semmle/go/frameworks/GoMicro/gomicro.ql

@@ -1,3 +1,7 @@
 import go
 
-query predicate requests(DataFlow::ParameterNode node) { node instanceof GoMicro::Request }
+query predicate serverRequests(DataFlow::ParameterNode node) { node instanceof GoMicro::Request }
+
+query predicate clientRequests(DataFlow::Node node) {
+  node instanceof GoMicro::ClientRequestUrlAsSink
+}