Bump the actions group with 2 updates (#73)

Bumps the actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

Updates `actions/download-artifact` from 7 to 8
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v7...v8)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/build_wheels.yml

@@ -53,7 +53,7 @@ jobs:
         env:
           CIBW_ARCHS: "${{ matrix.arch }}"
           CIBW_BUILD: "${{ matrix.python }}-*"
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ matrix.arch}}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
@@ -66,7 +66,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - run: pipx run build --sdist
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: cibw-sdist
         path: dist/*.tar.gz
@@ -82,7 +82,7 @@ jobs:
       id-token: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         pattern: cibw-*
         path: dist