Build sdist in CI

.github/workflows/wheels.yml

@@ -6,6 +6,28 @@ on:
       - "*"
 
 jobs:
+  sdist:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install libfuse-dev and pkg-config
+        run: sudo apt install -y libfuse-dev pkg-config
+      - name: Install Python build dependencies
+        run: python -m pip install --upgrade build
+      - name: Build sdist
+        run: python -m build --sdist
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: sdist
+          path: dist/*.tar.gz
+          if-no-files-found: error
+          retention-days: 2
+
   wheel:
     runs-on: ubuntu-20.04
     env: