fixup! ci: Doctest in CI

Author: MrKevinWeiss

.github/workflows/doctest.yml

@@ -14,5 +14,8 @@ jobs:
       with:
         python-version: '3.9'
 
+    - name: Install package
+      run: pip install .
+
     - name: Run tests
       run: python -m doctest riot_release_manager.py