Bump actions/upload-artifact from 6 to 7 (#70)

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -57,7 +57,7 @@ jobs:
               recipes_found=false
           fi
           echo "recipes_found=$recipes_found" >> $GITHUB_OUTPUT
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: recipe_list
           path: recipe_list.txt
@@ -89,7 +89,7 @@ jobs:
           while read -r folder; do
               python3 wheel_builder.py "$folder";
           done < ../workflow_artifacts/recipe_list.txt
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: wheelhouse
           path: wheelhouse/