chore(deps): update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/build.yml

@@ -61,7 +61,7 @@ jobs:
       - name: Pack Nuget
         run: dotnet pack -c Release -o artifacts
       - name: Upload Nuget
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: Nuget
           path: artifacts/*.nupkg