README: Use v2 for the Go Report Card (zyedidia#3835)

Author: JoeKar

README.md

@@ -1,7 +1,7 @@
 <img alt="micro logo" src="./assets/micro-logo-drop.svg" width="500px"/>
 
 ![Test Workflow](https://github.com/zyedidia/micro/actions/workflows/test.yaml/badge.svg)
-[![Go Report Card](https://goreportcard.com/badge/github.com/zyedidia/micro)](https://goreportcard.com/report/github.com/zyedidia/micro)
+[![Go Report Card](https://goreportcard.com/badge/github.com/zyedidia/micro/v2)](https://goreportcard.com/report/github.com/zyedidia/micro/v2)
 [![Release](https://img.shields.io/github/release/zyedidia/micro.svg?label=Release)](https://github.com/zyedidia/micro/releases)
 [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/zyedidia/micro/blob/master/LICENSE)
 [![Join the chat at https://gitter.im/zyedidia/micro](https://badges.gitter.im/zyedidia/micro.svg)](https://gitter.im/zyedidia/micro?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)