be more explicit that GitHub repository, not just project, per review

Co-authored-by: Christoph Kuhnke <[email protected]>

Author: ArBridgeman

doc/user_guide/features/metrics/sonar.rst

@@ -23,7 +23,7 @@ Configuration
 
 .. _configure_sonar_public_project:
 
-**Public** project
+**Public** GitHub repository
 ^^^^^^^^^^^^^^^^^^^^^^^^
 1. Specify in the ``noxconfig.py`` the relative path to the project's source code in ``Config.source``
     .. code-block:: python