build(deps): bump dawidd6/action-download-artifact (#1909)

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

.github/workflows/actions/use-nodes/action.yml

@@ -9,14 +9,14 @@ runs:
 
     - name: Download substrate-node binary
       id: download-substrate-binary
-      uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7
+      uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
       with:
         workflow: build-nodes.yml
         name: nightly-substrate-binary
 
     - name: Download polkadot binary
       id: download-polkadot-binary
-      uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7
+      uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
       with:
         workflow: build-nodes.yml
         name: nightly-polkadot-binary