Try to use -n=logical instead of -n=auto to investigate performance i…

…n gitlab's CI

pyproject.toml

@@ -68,7 +68,7 @@ dependencies = [
 
 [tool.pytest.ini_options]
 testpaths = ["test"]
-addopts = ["--import-mode=importlib", "--cov=sourcefinder", "-q", "-ra", "-n=auto", "--dist=worksteal"]
+addopts = ["--import-mode=importlib", "--cov=sourcefinder", "-q", "-ra", "-n=logical", "--dist=worksteal"]
 
 [tool.black]
 include = '\.pyi?$'