updates ruff config (and workflow)

.github/workflows/python-package.yml

@@ -21,6 +21,8 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: chartboost/ruff-action@v1
+      with:
+        src: "./src"
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:

pyproject.toml

@@ -82,7 +82,7 @@ ignore = [
     "PERF203",  # try-except-in-loop
 ]
 extend-exclude = [
-  "docs", "frontend", "tests"
+  "docs", "frontend"
 ]
 
 [tool.ruff.lint.mccabe]