ci: use poetry instead of uv

.github/workflows/lint.yaml

@@ -0,0 +1,35 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - oa
+  pull_request:
+    branches:
+      - oa
+
+jobs:
+  lint:
+    name: lint-and-format
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Set up Python"
+        uses: actions/setup-python@v5
+        with:
+          python-version-file: "pyproject.toml"
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          version: latest
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
+      - name: Install dependencies
+        run: poetry install --no-interaction --no-root
+
+      - name: Run Ruff Check
+        run: poetry run ruff check --fix .