Update README.md

Author: awalsh128

README.md

@@ -2,7 +2,7 @@
 
 [![License: Apache2](https://shields.io/badge/license-apache2-blue.svg)](https://github.com/awalsh128/fluentcpp/blob/master/LICENSE)
 [![Master Test status](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/master_test.yml/badge.svg)](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/master_test.yml)
-[![Staging Test status](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/staging_test.yml/badge.svg)](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/staging_test.yml)
+[![Dev Test status](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/staging_test.yml/badge.svg)](https://github.com/awalsh128/cache-apt-pkgs-action-ci/actions/workflows/dev_test.yml)
 
 This action allows caching of Advanced Package Tool (APT) package dependencies to improve workflow execution time instead of installing the packages on every run.