Combine workflows

.github/workflows/test.yml

@@ -35,4 +35,37 @@ jobs:
     - name: Install library
       run: poetry install --no-interaction
     - name: Test with tox
-      run: poetry run tox
+      run: poetry run tox
+
+  build-and-publish:
+    runs-on: ubuntu-latest
+    needs: test
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pyfracgen
+    permissions:
+      id-token: write
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
+    - name: Load cached poetry
+      id: cached-poetry
+      uses: actions/cache@v3
+      with:
+        path: ~/.local
+        key: poetry-0
+    - name: Install Poetry
+      if: steps.cached-poetry.outputs.cache-hit != 'true'
+      uses: snok/install-poetry@v1
+    - name: Check pyproject.toml
+      run: poetry check --no-interaction
+    - name: Build
+      run: poetry build
+    - name: Publish
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        skip-existing: true