docs: Fix CI status badge in README (#394)

Author: mtrezza

README.md

@@ -2,7 +2,7 @@
 
 ---
 
-[![Build Status](https://github.com/parse-community/Parse-SDK-dotNET/workflows/ci/badge.svg?branch=master)](https://github.com/parse-community/Parse-SDK-dotNET/actions?query=workflow%3Aci+branch%3Amaster)
+[![Build Status](https://github.com/parse-community/Parse-SDK-dotNET/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/parse-community/Parse-SDK-dotNET/actions/workflows/ci.yml?query=workflow%3Aci+branch%3Amaster)
 [![Coverage](https://img.shields.io/codecov/c/github/parse-community/Parse-SDK-dotNET/master.svg)](https://codecov.io/github/parse-community/Parse-SDK-dotNET?branch=master)
 [![auto-release](https://img.shields.io/badge/%F0%9F%9A%80-auto--release-9e34eb.svg)](https://github.com/parse-community/Parse-SDK-dotNET/releases)