Update build process

Author: cgarwood

.github/workflows/publish-to-pypi.yml

@@ -9,17 +9,17 @@ jobs:
     name: Builds and publishes releases to PyPI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v6
       - name: Set up Python 3.13
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v6
         with:
           python-version: 3.13
-      - name: Install wheel
+      - name: Install build
         run: >-
-          pip install wheel
+          pip install build
       - name: Build
         run: >-
-          python3 setup.py sdist bdist_wheel
+          python3 -m build
       - name: Publish release to PyPI
         uses: pypa/gh-action-pypi-publish@master
         with: