Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) and [actions/setup-python](https://github.com/actions/setup-python).


Updates `actions/attest-build-provenance` from 2 to 3
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](actions/attest-build-provenance@v2...v3)

Updates `actions/setup-python` from 5 to 6
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -37,7 +37,7 @@ jobs:
           path: dist
 
       - name: Generate artifact attestation for sdist and wheel
-        uses: actions/attest-build-provenance@v2
+        uses: actions/attest-build-provenance@v3
         with:
           subject-path: "dist/*"
 

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0 # Only needed if using setuptools-scm
 
       - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true