Add gitea workflow to run offline tests

.gitea/workflows/test.yml

@@ -0,0 +1,33 @@
+name: Run Unit Tests
+on:
+  push:
+
+jobs:
+  test-package:
+    runs-on: ubuntu-latest
+    container: catthehacker/ubuntu:act-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.11"
+          - "3.12"
+          - "3.13"
+    env:
+      # workaround for container tool cache path, see https://gitea.com/gitea/act_runner/issues/70
+      RUNNER_TOOL_CACHE: /toolcache
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          enable-cache: true
+          github-token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
+
+      - name: Install the project
+        run: uv sync --all-extras --dev
+
+      - name: Run tests
+        # For example, using `pytest`
+        run: uv run pytest tests