Unit test on GitHub actions and test with numpy 2.0.

.github/workflows/release.yaml

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+name: PyPI
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+
+  push:
+    branches:
+      - "trunk-*"
+    tags:
+      - "v*"
+
+  workflow_dispatch:
+
+jobs:
+  build_wheel:
+    name: Build wheel
+    runs-on: ubuntu-24.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+    - name: Set up Python
+      uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
+      with:
+        python-version: 3.12
+    - name: Set up Python environment
+      uses: glotzerlab/workflows/setup-uv@5cfac9da9cb78e16ae97a9119b6fd13c1c2d6f5e # 0.1.0
+      with:
+        lockfile: ".github/workflows/requirements-build.txt"
+
+    - name: Build wheel
+      run: python3 -m build --outdir dist/ .
+
+    - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
+      with:
+        name: dist
+        path: dist
+
+  upload_pypi:
+    name: Publish [PyPI]
+    needs: [build_wheel]
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          merge-multiple: 'true'
+          pattern: dist
+          path: dist
+
+      - name: Check files
+        run: ls -lR dist
+
+      - name: Upload to PyPI
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: pypa/gh-action-pypi-publish@ec4db0b4ddc65acdf4bff5fa45ac92d78b56bdf0 # v1.9.0

.github/workflows/requirements-build.in

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+build == 1.1.1

.github/workflows/requirements-build.txt

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+# This file was autogenerated by uv via the following command:
+#    uv pip compile requirements-build.in
+build==1.1.1
+    # via -r requirements-build.in
+packaging==24.1
+    # via build
+pyproject-hooks==1.1.0
+    # via build

.github/workflows/requirements-test.in

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+coverage == 7.5.3
+numpy == 2.0.0
+pytest == 8.2.2
+pytest-cov == 5.0.0
+scipy == 1.13.1

.github/workflows/requirements-test.txt

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+# This file was autogenerated by uv via the following command:
+#    uv pip compile requirements-test.in --python-version 3.9 --python-platform linux --no-build
+coverage==7.5.3
+    # via
+    #   -r requirements-test.in
+    #   pytest-cov
+exceptiongroup==1.2.1
+    # via pytest
+iniconfig==2.0.0
+    # via pytest
+numpy==2.0.0
+    # via
+    #   -r requirements-test.in
+    #   scipy
+packaging==24.1
+    # via pytest
+pluggy==1.5.0
+    # via pytest
+pytest==8.2.2
+    # via
+    #   -r requirements-test.in
+    #   pytest-cov
+pytest-cov==5.0.0
+    # via -r requirements-test.in
+scipy==1.13.1
+    # via -r requirements-test.in
+tomli==2.0.1
+    # via
+    #   coverage
+    #   pytest

.github/workflows/unit_test.yaml

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+name: Unit test
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+
+  push:
+    branches:
+      - "master"
+
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  unit_test:
+    name: Unit test [py${{ matrix.python }}]
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ["3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+    - name: Set up Python
+      uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
+      with:
+        python-version: ${{ matrix.python }}
+    - name: Set up Python environment
+      uses: glotzerlab/workflows/setup-uv@5cfac9da9cb78e16ae97a9119b6fd13c1c2d6f5e # 0.1.0
+      with:
+        lockfile: ".github/workflows/requirements-test.txt"
+    - name: Run tests
+      run: python3 -m pytest -v
+
+  # This job is used to provide a single requirement for branch merge conditions.
+  tests_complete:
+    name: Unit test
+    if: always()
+    needs: [unit_test]
+    runs-on: ubuntu-latest
+
+    steps:
+    - run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
+    - name: Done
+      run: exit 0