ci: Bump deadsnakes/action from 3.0.1 to 3.1.0 (#50)

Bumps [deadsnakes/action](https://github.com/deadsnakes/action) from 3.0.1 to 3.1.0.
- [Release notes](https://github.com/deadsnakes/action/releases)
- [Commits](deadsnakes/action@v3.0.1...v3.1.0)

---
updated-dependencies:
- dependency-name: deadsnakes/action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -102,7 +102,7 @@ jobs:
                   architecture: x64
             - name: Setup Python ${{ matrix.python-version }} (nightly)
               if: "${{ matrix.nightly }}"
-              uses: deadsnakes/action@v3.0.1
+              uses: deadsnakes/action@v3.1.0
               with:
                 python-version: "${{ matrix.python-version }}-dev"