GitHub Action: Bump actions/download-artifact from 4 to 6 (#1543)

Bumps
[actions/download-artifact](https://github.com/actions/download-artifact)
from 4 to 6.

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

Author: dependabot[bot]

.github/workflows/release-basetools.yml

@@ -105,7 +105,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Download Artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           path: ${{ runner.temp }}/artifacts