Use trusted OIDC publish workflow.

.github/workflows/build.yaml

@@ -45,7 +45,13 @@ jobs:
   pypi:
     runs-on: ubuntu-latest
     needs: [build_and_test]
-    if: startsWith(github.ref, 'refs/tags/')
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    environment:
+      name: pypi
+      url: https://pypi.org/p/lsst-s3daemon
+    permissions:
+      id-token: write
+
 
     steps:
       - uses: actions/checkout@v4
@@ -60,15 +66,12 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade setuptools wheel build
+          pip install uv
+          uv pip install --upgrade setuptools wheel build
 
       - name: Build and create distribution
         run: |
           python -m build --skip-dependency-check
 
       - name: Upload
         uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_UPLOADS }}