ci: fix artifact path

Author: Tarmil

.github/workflows/build.yml

@@ -106,4 +106,4 @@ jobs:
             curl -vX PUT -u "$GITHUB_USER:$GITHUB_TOKEN" -F package=@$f $GITHUB_FEED
           done
       - name: Push to NuGet Feed
-        run: dotnet nuget push ./nupkg/*.nupkg --source $NUGET_FEED --skip-duplicate --api-key $NUGET_KEY
+        run: dotnet nuget push *.nupkg --source $NUGET_FEED --skip-duplicate --api-key $NUGET_KEY