Use PyPI trusted publishers

.github/workflows/ci.yml

@@ -76,18 +76,3 @@ jobs:
       - name: Run tox
         run: tox -e ${{ matrix.toxenv }}
       - uses: codecov/codecov-action@v1
-  deploy:
-    runs-on: ubuntu-latest
-    needs:
-      - tests
-    if: startsWith(github.ref, 'refs/tags')
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - name: Build a binary wheel and a source tarball
-        run: pipx run build
-      - name: Publish distribution 📦 to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.pypi_token }}

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+on:
+  release:
+    types:
+      - published
+
+name: release
+
+jobs:
+  pypi:
+    name: upload release to PyPI
+    runs-on: ubuntu-latest
+    environment: release
+
+    permissions:
+      # Used to authenticate to PyPI via OIDC.
+      id-token: write
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: ">= 3.8"
+
+    - name: build
+      run: pipx run build
+
+    - name: publish
+      uses: pypa/gh-action-pypi-publish@release/v1

README.rst

@@ -321,6 +321,9 @@ you commit, install
 `pre-commit <https://github.com/pre-commit/pre-commit>`_ and
 run ``pre-commit install`` after cloning the repository.
 
+To release, create a release with a tag on GitHub. This will trigger a
+deployment to PyPI.
+
 Useful links
 ~~~~~~~~~~~~