Migrate build and publish away from Poetry

Not yet tested - waiting for next release.

.github/workflows/publish.yaml → .github/workflows/publish-pypi.yaml

@@ -22,7 +22,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Build and publish to PyPI
-        uses: JRubics/[email protected]
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Publish package
+        uses: pypa/[email protected]
         with:
-          pypi_token: ${{ secrets.PYPI_TOKEN }}
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}