Update actions/download-artifact digest to c850b93 (#225)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Get the sources
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Download build artifact
-        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4
+        uses: actions/download-artifact@c850b930e6ba138125429b7e5c93fc707a7f8427 # v4
         with:
           name: NuGet Package
           path: ./BuildArtifacts/Packages/NuGet