reduce parallelization on ci due to memory restrictions

Author: PawelGerr

.github/workflows/main.yml

@@ -41,7 +41,7 @@ jobs:
         run: dotnet build --configuration Release --no-restore
 
       - name: test
-        run: dotnet test --configuration Release --no-build
+        run: dotnet test --configuration Release --no-build -p:TestTfmsInParallel=false
 
       - name: test results
         uses: EnricoMi/publish-unit-test-result-action@v2