Update README.md (#1915)

Author: asmyasnikov

README.md

@@ -3,8 +3,8 @@
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/ydb-platform/ydb/blob/main/LICENSE)
 [![Release](https://img.shields.io/github/v/release/ydb-platform/ydb-go-sdk.svg?style=flat-square)](https://github.com/ydb-platform/ydb-go-sdk/releases)
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/ydb-platform/ydb-go-sdk/v3)](https://pkg.go.dev/github.com/ydb-platform/ydb-go-sdk/v3)
-[![tests](https://github.com/ydb-platform/ydb-go-sdk/workflows/tests/badge.svg?branch=master)](https://github.com/ydb-platform/ydb-go-sdk/actions/workflows/tests.yml)
-[![lint](https://github.com/ydb-platform/ydb-go-sdk/workflows/lint/badge.svg?branch=master)](https://github.com/ydb-platform/ydb-go-sdk/actions/workflows/lint.yml)
+[![tests](https://github.com/ydb-platform/ydb-go-sdk/workflows/tests/badge.svg)](https://github.com/ydb-platform/ydb-go-sdk/actions/workflows/tests.yml)
+[![lint](https://github.com/ydb-platform/ydb-go-sdk/workflows/lint/badge.svg)](https://github.com/ydb-platform/ydb-go-sdk/actions/workflows/lint.yml)
 [![Go Report Card](https://goreportcard.com/badge/github.com/ydb-platform/ydb-go-sdk/v3)](https://goreportcard.com/report/github.com/ydb-platform/ydb-go-sdk/v3)
 [![codecov](https://codecov.io/gh/ydb-platform/ydb-go-sdk/badge.svg?precision=2)](https://app.codecov.io/gh/ydb-platform/ydb-go-sdk)
 ![Code lines](https://sloc.xyz/github/ydb-platform/ydb-go-sdk/?category=code)