Set up publishing workflow

.github/workflows/publish.yml

@@ -4,21 +4,20 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: write
+
 jobs:
   build:
-    strategy:
-      matrix:
-        python-version: ["3.10", "3.11", "3.12"]
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Set up Python
       id: setup-python
       uses: actions/setup-python@v4
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: "3.12"
 
     - name: Install poetry
       run: pip install -U poetry
@@ -40,5 +39,8 @@ jobs:
     - name: Install dependencies
       run: poetry install --no-interaction
 
-    - name: Run tests
-      run: poetry publish --build
+    - name: Build using poetry
+      run: poetry build
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1