Update actions/upload-artifact digest to 6546280 (#546)

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

Author: renovate[bot]

.github/workflows/integrationtests.yml

@@ -32,7 +32,7 @@ jobs:
         run: ./build.sh
         shell: bash
       - name: Publish NuGet package as build artifact
-        uses: actions/upload-artifact@1746f4ab65b179e0ea60a494b83293b640dd5bba # v4
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4
         with:
           name: NuGet Package
           path: ./BuildArtifacts/Packages/NuGet/