Update README.md

Author: vladopajic

README.md

@@ -5,7 +5,7 @@
 [![lint](https://github.com/vladopajic/go-test-coverage/actions/workflows/lint.yml/badge.svg?branch=main)](https://github.com/vladopajic/go-test-coverage/actions/workflows/lint.yml)
 [![coverage](https://raw.githubusercontent.com/vladopajic/go-test-coverage/badges/.badges/main/coverage.svg)](/.github/.testcoverage.yml)
 [![Go Report Card](https://goreportcard.com/badge/github.com/vladopajic/go-test-coverage?cache=v1)](https://goreportcard.com/report/github.com/vladopajic/go-test-coverage)
-[![Release](https://img.shields.io/github/release/vladopajic/go-test-coverage.svg?style=flat-square)](https://github.com/vladopajic/go-test-coverage/releases/latest)
+[![Release](https://img.shields.io/github/release/vladopajic/go-test-coverage.svg?color=%23007ec6)](https://github.com/vladopajic/go-test-coverage/releases/latest)
 
 
 `go-test-coverage` is a tool designed to report issues when test coverage falls below a specified threshold, ensuring higher code quality and preventing regressions in test coverage over time.