use setup-python action

Author: ElectricalBoy

.github/workflows/publish.yml

@@ -18,10 +18,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+      - name: Setup Python
+        uses: actions/setup-python@v6
+        with:
+          python-version-file: "pyproject.toml"
       - name: Install uv
         uses: astral-sh/setup-uv@v7
-      - name: Install Python 3.13
-        run: uv python install 3.13
       - name: Build
         run: uv build
       - name: Publish