Coverage

Signed-off-by: Carlos Agüero <caguero@openrobotics.org>

Author: caguero

README.md

@@ -9,7 +9,7 @@
 
 Build | Status
 -- | --
-Test coverage | [![codecov](https://codecov.io/gh/gazebosim/gz-plugin/tree/main/graph/badge.svg)](https://codecov.io/gh/gazebosim/gz-plugin/tree/main)
+Test coverage | [![codecov](https://codecov.io/gh/gazebosim/gz-plugin/tree/gz-plugin3/graph/badge.svg)](https://codecov.io/gh/gazebosim/gz-plugin/tree/gz-plugin3)
 Ubuntu Noble  | [![Build Status](https://build.osrfoundation.org/job/gz_plugin-ci-gz-plugin3-noble-amd64/badge/icon)](https://build.osrfoundation.org/job/gz_plugin-ci-gz-plugin3-noble-amd64/)
 Homebrew      | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=gz_plugin-ci-gz-plugin3-homebrew-amd64)](https://build.osrfoundation.org/job/gz_plugin-ci-gz-plugin3-homebrew-amd64)
 Windows       | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=gz_plugin-3-win)](https://build.osrfoundation.org/job/gz_plugin-3-win)