Fix Exclude Files list for PyCharm

DEVELOPER.md

@@ -198,7 +198,7 @@ Go to the PyCharm settings and find the `cedar-backup3` project.  Under
 the **Exclude Files** box, enter the following: 
 
 ```
-LICENSE;NOTICE;PyPI.md;.coverage;.coveragerc;.github;.gitignore;.gitattributes;.htmlcov;.idea;.isort.cfg;.pre-commit-config.yaml;.pylintrc;.pytest_cache;.readthedocs.yml;.tabignore;build;dist;docs/_build;out;poetry.lock;poetry.toml;run;.run;.venv;
+LICENSE;NOTICE;PyPI.md;build;dist;docs/_build;out;poetry.lock;poetry.toml;run;.coverage;.coverage.lcov;.coveragerc;.gitattributes;.github;.gitignore;.htmlcov;.idea;.mypy_cache;.poetry;.pre-commit-config.yaml;.pylintrc;.pytest_cache;.readthedocs.yml;.run;.tabignore;.venv
 ```
 
 When you're done, click **Ok**.  Then, go to the gear icon in the project panel