update tests badge

Author: romainmenke

.github/bin/generate-docs/readme.mjs

@@ -64,7 +64,7 @@ function headerText() {
 
 ` +
 '[<img alt="npm version" src="https://img.shields.io/npm/v/<packageName>.svg" height="20">][npm-url] ' +
-'[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/workflows/test/badge.svg" height="20">][cli-url] ' +
+'[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/actions/workflows/test.yml/badge.svg?branch=main" height="20">][cli-url] ' +
 '[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord]' +
 baselineBadge +
 cssdbBadge +

README.md

@@ -1,6 +1,6 @@
 # PostCSS Plugins [<img src="https://postcss.github.io/postcss/logo.svg" alt="" width="90" height="90" align="right">][postcss]
 
-[<img alt="build status" src="https://github.com/csstools/postcss-plugins/workflows/test/badge.svg" height="20">][ci-url]
+[<img alt="build status" src="https://github.com/csstools/postcss-plugins/actions/workflows/test.yml/badge.svg?branch=main" height="20">][ci-url]
 [<img alt="Discord" src="https://img.shields.io/discord/853978108758851604?color=5865F2&label=Discord&logo=discord&logoColor=white">][discord]
 
 We are happy you're here!