Add Github CI

Author: stefanw

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  tests:
+    name: Python ${{ matrix.python-version }}
+    runs-on: ubuntu-24.04
+
+    strategy:
+      matrix:
+        python-version:
+        - '3.10'
+        - '3.11'
+        - '3.12'
+        - '3.13'
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+      with:
+        enable-cache: true
+        cache-dependency-glob: tests/requirements/*.txt
+
+    - name: Install dependencies
+      run: uv pip install --system tox tox-uv
+
+    - name: Run tox targets for ${{ matrix.python-version }}
+      run: tox run -f py$(echo ${{ matrix.python-version }} | tr -d .)