Bump actions/checkout to v4, actions/setup-python to v5

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v4...v5)

Author: weiji14

.github/workflows/pypi-release.yaml

@@ -22,11 +22,13 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'xarray-contrib/cupy-xarray'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v4
-        name: Install Python
+          persist-credentials: false
+
+      - name: Install Python
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"