chore(deps): update actions/download-artifact action to v8.0.1 (#1013)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -140,7 +140,7 @@ jobs:
     if: ${{ github.repository_owner == 'cryostatio' && inputs.push-container}}
     steps:
       - name: Download container tarballs
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           path: containers
           pattern: ${{ github.sha }}-*