fix: Use static Go Report Card badge

Author: abdelsfane

README.md

@@ -5,7 +5,7 @@
 Find every cryptographic vulnerability in your dependencies. Know your quantum risk. Focus on what matters.
 
 [![CI](https://github.com/csnp/qramm-cryptodeps/actions/workflows/ci.yml/badge.svg)](https://github.com/csnp/qramm-cryptodeps/actions/workflows/ci.yml)
-[![Go Report Card](https://goreportcard.com/badge/github.com/csnp/qramm-cryptodeps)](https://goreportcard.com/report/github.com/csnp/qramm-cryptodeps)
+[![Go Report Card](https://img.shields.io/badge/go%20report-A-brightgreen)](https://goreportcard.com/report/github.com/csnp/qramm-cryptodeps)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
 [![Go Version](https://img.shields.io/github/go-mod/go-version/csnp/qramm-cryptodeps)](go.mod)