Bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v4...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] <support@github.com>

.github/workflows/deploy-pypi.yml

@@ -49,7 +49,7 @@ jobs:
         run: |
           python setup.py sdist bdist_wheel
       - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: python-package-distributions
           path: |
@@ -217,7 +217,7 @@ jobs:
           fi
           python Deploy.py
       - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: binary-distributions-${{ matrix.os }}-Python${{ matrix.python-version }}
           path: |