SP-1149: update build workflow

Author: swlodarski-sumoheavy

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           dotnet-version: ${{ matrix.dotnet-version }}
       - name: Install dependencies
-        run: dotnet restore
+        run: dotnet restore -p:TargetFramework=net${{ matrix.dotnet-version }}
       - name: Build
         run: dotnet build --no-restore -f net${{ matrix.dotnet-version }}
       - name: Test