Revert "chore(deps): Bump actions/download-artifact from 3 to 4.1.7 i…

…n /.github/workflows" (#62)

Reverts #60, which broke artifact downloads.

I should have noticed that the robot PR was a major number bump and
therefore might be a breaking change.

.github/workflows/release.yaml

@@ -141,7 +141,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download packages
-        uses: actions/download-artifact@v4.1.7
+        uses: actions/download-artifact@v3
         with:
           name: windows-packages