Bump actions/upload-artifact from 5 to 6 (#68)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/buildwheels.yml

@@ -35,7 +35,7 @@ jobs:
           CIBW_ENVIRONMENT: MACOSX_DEPLOYMENT_TARGET=${{ env.MACOSX_DEPLOYMENT_TARGET }}
         uses: pypa/[email protected]
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           path: ./wheelhouse/*.whl
 
@@ -59,6 +59,6 @@ jobs:
       - name: Build sdist
         run: python setup.py sdist 
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           path: dist/*.tar.gz

.github/workflows/publish.yml

@@ -37,7 +37,7 @@ jobs:
           CIBW_ENVIRONMENT: MACOSX_DEPLOYMENT_TARGET=${{ env.MACOSX_DEPLOYMENT_TARGET }}
         uses: pypa/[email protected]
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: wheels-${{ matrix.os }}
           path: wheelhouse/*.whl
@@ -62,7 +62,7 @@ jobs:
       - name: Build sdist
         run: python setup.py sdist 
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: sdist
           path: dist/*.tar.gz