Update build.yml

Author: ejsmith

.github/workflows/build.yml

@@ -14,6 +14,6 @@ jobs:
       with:
         dotnet-version: 2.2.207
     - name: Test
-      run: dotnet test --results-directory /app/artifacts --logger:trx
+      run: dotnet test --results-directory /home/runner/work/artifacts --logger:trx
     - name: Pack
-      run: dotnet pack -c Release -o /app/artifacts
+      run: dotnet pack -c Release -o /home/runner/work/artifacts