Add source dist and wheel builds; save artifacts.

This updates the `build_and_test.yaml` file to also
build source distributions (sdist), wheel files, and
to also save artifacts of those builds.

.github/workflows/build_and_test.yaml

@@ -16,6 +16,11 @@ jobs:
           - "3.8"
           - "3.9"
           - "3.10"
+        include:
+          - os: ubuntu
+            platform: linux
+          - os: windows
+            ls: dir
     runs-on: ${{ format('{0}-latest', matrix.os) }}
     steps:
       - uses: actions/checkout@v4
@@ -28,10 +33,46 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: install python dependencies
-        run: python -m pip install --upgrade pip setuptools wheel pytest
+        run: python -m pip install --upgrade pip setuptools wheel pytest twine cibuildwheel
       - name: run cargo tests
         run: cargo test
       - name: install FASTSim python
         run: pip install -e .[dev]
       - name: run pytest
         run: pytest -v
+      - name: build source distribution
+        if: matrix.os == 'ubuntu' && matrix.python-version == '3.10'
+        run: |
+          pip install -U setuptools-rust
+          python -c "import setuptools; setuptools.setup()" sdist
+      - name: build ${{ matrix.platform || matrix.os }} binaries
+        run: cibuildwheel --output-dir dist
+        env:
+          CIBW_BUILD: "cp3${{ matrix.python-version }}-*"
+          CIBW_SKIP: "*-win32 *-musllinux* *i686 *ppc64le *s390x *aarch64"
+          CIBW_PLATFORM: ${{ matrix.platform || matrix.os }}
+          # TODO: why doesn't pytest work with cibuildwheel?
+          # CIBW_TEST_COMMAND: "pytest -v {project}/python/fastsim/tests"
+          CIBW_TEST_COMMAND: "python -m unittest discover {project}/python/fastsim/tests"
+          CIBW_ARCHS_MACOS: "universal2"
+          # see https://cibuildwheel.readthedocs.io/en/stable/faq/#universal2
+          CIBW_TEST_SKIP: "*_universal2:arm64"
+          CIBW_ENVIRONMENT: 'PATH="$HOME/.cargo/bin:$PATH"'
+          CIBW_ENVIRONMENT_WINDOWS: 'PATH="$UserProfile\.cargo\bin;$PATH"'
+          CIBW_MANYLINUX_X86_64_IMAGE: "manylinux2014"
+          CIBW_MANYLINUX_I686_IMAGE: "manylinux2014"
+          CIBW_BEFORE_BUILD: >
+            pip install -U setuptools-rust &&
+            rustup default stable &&
+            rustup show
+          CIBW_BEFORE_BUILD_LINUX: >
+            yum -y install openssl openssl-devel &&
+            pip install -U setuptools-rust &&
+            curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=nightly --profile=minimal -y &&
+            rustup show
+      - name: list dist files
+        run: ${{ matrix.ls || `ls -lh` }} dist/
+      - uses: actions/upload-artifact@v4
+        with:
+          path: ./dist/*
+