Bump actions/download-artifact from 7 to 8

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 7 to 8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v7...v8)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/wheels.yml

@@ -66,7 +66,7 @@ jobs:
       id-token: write  # IMPORTANT: mandatory for trusted publishing
     steps:
     - uses: actions/setup-python@v6
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         pattern: dist-*
         merge-multiple: true
@@ -90,7 +90,7 @@ jobs:
 
     steps:
     - name: Download all the dists
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v8
       with:
         pattern: dist-*
         merge-multiple: true
@@ -112,7 +112,7 @@ jobs:
 
     steps:
     - name: Download all the dists
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v8
       with:
         pattern: dist-*
         merge-multiple: true