ci: Migrate from CircleCI to GitHub Actions

Author: Maciej Rapacz

.circleci/config.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install uv
+      run: curl -LsSf https://astral.sh/uv/install.sh | sh
+    - name: Run tests
+      run: |
+        source ~/.cargo/env
+        make test