Bump actions/download-artifact from 1 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 1 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v1...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -70,7 +70,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install codecov~=2.0.15
-    - uses: actions/download-artifact@v1
+    - uses: actions/download-artifact@v4.1.7
       with:
         name: coverage-${{ matrix.python-version }}
         path: coverage.xml