github-actions: bump suisei-cn/actions-download-file from 1.4.0 to 1.6.0

Bumps [suisei-cn/actions-download-file](https://github.com/suisei-cn/actions-download-file) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/suisei-cn/actions-download-file/releases)
- [Commits](suisei-cn/actions-download-file@v1.4.0...v1.6.0)

---
updated-dependencies:
- dependency-name: suisei-cn/actions-download-file
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/msbuild.yml

@@ -43,7 +43,7 @@ jobs:
               "platform=${{ matrix.platform }}" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
           }
 
-      - uses: suisei-cn/actions-download-file@v1.4.0
+      - uses: suisei-cn/actions-download-file@v1.6.0
         id: downloadfile # Remember to give an ID if you need the output filename
         name: Download rootfs
         with: