Fix build status badge filename

Author: davidjgoss

README.md

@@ -9,7 +9,7 @@
 
 <p align="center">
   <a href="https://www.npmjs.com/package/@cucumber/cucumber" style="text-decoration: none"><img src="https://img.shields.io/npm/v/@cucumber/cucumber?style=flat&color=dark-green" alt="Latest version on npm"></a>
-  <a href="https://github.com/cucumber/cucumber-js/actions" style="text-decoration: none"><img src="https://github.com/cucumber/cucumber-js/actions/workflows/build.yaml/badge.svg" alt="Build status"></a>
+  <a href="https://github.com/cucumber/cucumber-js/actions" style="text-decoration: none"><img src="https://github.com/cucumber/cucumber-js/actions/workflows/build.yml/badge.svg" alt="Build status"></a>
   <a href="https://coveralls.io/github/cucumber/cucumber-js?branch=master" style="text-decoration: none"><img src="https://coveralls.io/repos/github/cucumber/cucumber-js/badge.svg?branch=main" alt="Coverage"></a>
   <a href="https://opencollective.com/cucumber"><img src="https://opencollective.com/cucumber/backers/badge.svg" alt="Backers"></a>
   <a href="https://opencollective.com/cucumber"><img src="https://opencollective.com/cucumber/sponsors/badge.svg" alt="Sponsors"></a>