Bump actions/download-artifact from 2.1.1 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2.1.1 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2.1.1...v4.1.7)

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

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

.github/workflows/tests.yml

@@ -258,7 +258,7 @@ jobs:
       uses: actions/[email protected]
       with:
         python-version: ${{ matrix.python-version }}
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download wheels
       with:
         name: wheels
@@ -341,12 +341,12 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/[email protected]
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download wheels
       with:
         name: wheels
         path: wheelhouse
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download sdist
       with:
         name: sdist_wheels
@@ -415,12 +415,12 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/[email protected]
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download wheels
       with:
         name: wheels
         path: wheelhouse
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download sdist
       with:
         name: sdist_wheels
@@ -490,7 +490,7 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/[email protected]
-    - uses: actions/download-artifact@v2.1.1
+    - uses: actions/download-artifact@v4.1.7
       name: Download artifacts
       with:
         name: deploy_artifacts