Bump dawidd6/action-download-artifact from 7 to 8

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 7 to 8.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@80620a5...20319c5)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ct_reusable_monitoring.yml

@@ -63,7 +63,7 @@ jobs:
         with:
           go-version: '1.23'
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7
+        uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
         with:
           name: ${{ env.UPLOADED_LOG_NAME }}
         # Skip on first run since there will be no checkpoint

.github/workflows/reusable_monitoring.yml

@@ -72,7 +72,7 @@ jobs:
         with:
           go-version: '1.23'
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7
+        uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
         with:
           name: ${{ env.UPLOADED_LOG_NAME }}
         # Skip on first run since there will be no checkpoint