test: add test coverage report (#18)

Signed-off-by: goflutterjava <[email protected]>

Author: goflutterjava

.github/workflows/go_unit_test.yml

@@ -19,6 +19,8 @@ jobs:
       - name: setup ZooKeeper
         uses: shoothzj/setup-zookeeper-action@main
       - name: Run coverage
-        run: go test ./... -race -coverprofile=coverage.out -covermode=atomic
+        run: go test ./... -race -coverprofile=coverage.txt -covermode=atomic
       - name: Upload coverage to Codecov
-        run: bash <(curl -s https://codecov.io/bash)
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

README.md

@@ -1,6 +1,6 @@
 # zookeeper-client-go
 
-![License](https://img.shields.io/badge/license-Apache2.0-green) ![Language](https://img.shields.io/badge/Language-Go-blue.svg)
+![License](https://img.shields.io/badge/license-Apache2.0-green) ![Language](https://img.shields.io/badge/Language-Go-blue.svg) [![version](https://img.shields.io/github/v/tag/protocol-laboratory/zookeeper-client-go?label=release&color=blue)](https://github.com/protocol-laboratory/zookeeper-client-go/releases) [![Godoc](http://img.shields.io/badge/docs-go.dev-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/protocol-laboratory/zookeeper-client-go) [![codecov](https://codecov.io/gh/protocol-laboratory/zookeeper-client-go/branch/main/graph/badge.svg)](https://codecov.io/gh/protocol-laboratory/zookeeper-client-go)
 
 ## 📋 Requirements