chore(deps): bump actions/download-artifact from 5 to 6 (#406)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  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/release.yml

@@ -103,37 +103,37 @@ jobs:
       id: auth
 
     - name: Download Linux 3.9 wheels for x86-64
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "wheels-linux-python-3.9-x86-64"
         path: wheels-linux
 
     - name: Download Linux 3.9 wheels for aarch64
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "wheels-linux-python-3.9-aarch64"
         path: wheels-linux
 
     - name: Download MacOS 3.9 wheels for x86-64
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "wheels-macos-python-3.9-x86-64"
         path: wheels-macos
 
     - name: Download MacOS 3.9 wheels for aarch64
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "wheels-macos-python-3.9-aarch64"
         path: wheels-macos
 
     - name: Download Windows 3.9 wheels
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "wheels-windows-python-3.9"
         path: wheels-windows
 
     - name: Download sdist
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: "sdist"
         path: sdist