chore(deps): bump actions/download-artifact in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/package.yaml

@@ -360,11 +360,11 @@ jobs:
           export GIT_TAG_NAME=` echo ${{ github.ref }} | awk -F '/' '{print $4}' `
           echo "GIT_TAG_NAME=$GIT_TAG_NAME" >> $GITHUB_ENV
       - name: Prepare - Download tar
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4.1.7
         with:
           name: ckb_${{env.GIT_TAG_NAME}}_${{ matrix.REL_PKG }}
       - name: Prepare - Download asc
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4.1.7
         with:
           name: ckb_${{env.GIT_TAG_NAME}}_${{ matrix.REL_PKG }}.asc
       - name: Upload tar assets