Update codecov link in README.

Author: Rockin2

README.rst

@@ -195,6 +195,6 @@ Feel free to use this as is or even better, feel free to fork and send your pull
 .. |ci_status| image:: https://travis-ci.com/IMInterne/python-elasticsearch-ecs-logger.svg?branch=master
     :target: https://travis-ci.com/IMInterne/python-elasticsearch-ecs-logger
     :alt: Continuous Integration Status
-.. |codecov| image:: https://codecov.io/github/innovmetric/python-elasticsearch-ecs-logger/coverage.svg?branch=master
-    :target: http://codecov.io/github/innovmetric/python-elasticsearch-ecs-logger?branch=master
+.. |codecov| image:: https://codecov.io/github/IMInterne/python-elasticsearch-ecs-logger/coverage.svg?branch=master
+    :target: http://codecov.io/github/IMInterne/python-elasticsearch-ecs-logger?branch=master
     :alt: Coverage!