feat: opentelemetry integration, removed self designed tracing (#1111)

* feat: opentelemetry integration, removed self designed tracing

* feat: support zipkin on opentelemetry integration

* feat: support zipkin on opentelemetry integration, enable it in conf

* style: format code

* fix: support logx without exporter configured

* fix: check return values

* refactor: simplify code

* refactor: simplify opentelemetry integration

* ci: fix staticcheck errors

zrpc/internal/serverinterceptors/breakerinterceptor_test.go

@@ -21,8 +21,7 @@ func TestStreamBreakerInterceptor(t *testing.T) {
 }
 
 func TestUnaryBreakerInterceptor(t *testing.T) {
-	interceptor := UnaryBreakerInterceptor()
-	_, err := interceptor(nil, nil, &grpc.UnaryServerInfo{
+	_, err := UnaryBreakerInterceptor(context.Background(), nil, &grpc.UnaryServerInfo{
 		FullMethod: "any",
 	}, func(ctx context.Context, req interface{}) (interface{}, error) {
 		return nil, status.New(codes.DeadlineExceeded, "any").Err()