Bump dawidd6/action-download-artifact (#465)

Bumps the github_actions group with 1 update in the /.github/workflows directory: [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact).


Updates `dawidd6/action-download-artifact` from 2 to 6
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v2...v6)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  dependency-group: github_actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/traffic.yml

@@ -20,7 +20,7 @@ jobs:
 
     # Gets the old traffic from last successful artifact
     - name: Download old traffic
-      uses: dawidd6/action-download-artifact@v2
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: traffic.yml
         workflow_conclusion: success