Update PyPI to use Trusted Publishing.

.github/workflows/build-test-pypi.yml

@@ -79,6 +79,9 @@ jobs:
   upload_all:
     needs: [build_wheels, make_sdist]
     runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      id-token: write
     steps:
     - name: Get SDist and wheels from artifact container
       uses: actions/download-artifact@v4
@@ -87,8 +90,6 @@ jobs:
         path: dist
         merge-multiple: true
     - name: Publish wheels to Test PyPI
-      uses: pypa/gh-action-pypi-publish@v1.10.1
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
-        user: ${{ secrets.TEST_PYPI_USERNAME }}
-        password: ${{ secrets.TEST_PYPI_PASSWORD }}
-        repository_url: https://test.pypi.org/legacy/
+        repository-url: https://test.pypi.org/legacy/