[CI]: Bump actions/download-artifact from 6 to 7 (#1432)

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

)

---
updated-dependencies:
- dependency-name: actions/download-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>

.github/workflows/dist.yml

@@ -183,7 +183,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Download built SDist
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           # unpacks default artifact into dist/
           # if `name: artifact` is omitted, the action will create extra parent dir
@@ -191,7 +191,7 @@ jobs:
           path: dist
 
       - name: Download built wheels
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           pattern: wheels-*
           path: dist