Modify package-name input description in workflow

Updated the input description for package-name to include testing.

Author: danielfromearth

.github/workflows/reusable_poetry_pkg_run_tests.yml

@@ -4,7 +4,7 @@ on:
   workflow_call:
     inputs:
       package-name:
-        description: 'The name of the Python package/directory to format'
+        description: 'The name of the Python package/directory to format and test'
         required: true
         type: string
       python-version: