Bump actions/download-artifact from 6.0.0 to 7.0.0 (#98)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 7.0.0
  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/pythonpackage.yml

@@ -180,7 +180,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install --upgrade twine
-      - uses: actions/download-artifact@v6.0.0
+      - uses: actions/download-artifact@v7.0.0
         with:
           pattern: built-*
           merge-multiple: true
@@ -199,7 +199,7 @@ jobs:
       permissions:
         id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
       steps:
-        - uses: actions/download-artifact@v6.0.0
+        - uses: actions/download-artifact@v7.0.0
           with:
             pattern: built-*
             merge-multiple: true