Bump actions/upload-artifact from 6 to 7

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

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -66,7 +66,7 @@ jobs:
           CIBW_BUILD: "${{ matrix.build && '*-' || ''}}${{ matrix.build }}*"
           CIBW_PLATFORM: "${{ matrix.platform }}"
 
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.build }}-${{ matrix.archs }}
           path: ./wheelhouse/*.whl
@@ -95,7 +95,7 @@ jobs:
       - name: Build sdist
         run: python setup.py build sdist
 
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: wheels-dist
           path: dist/*.tar.gz