ci: upload built artifact

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.github/workflows/msbuild.yml

@@ -19,3 +19,9 @@ jobs:
     - name: Build
       working-directory: ${{ github.workspace }}
       run: msbuild /m /p:Configuration=Release ${{ env.SOLUTION_FILE_PATH }}
+
+    - name: Upload SFX bundle
+      uses: actions/upload-artifact@v4
+      with:
+        name: sfx-bundle
+        path: CPP/7zip/Bundles/SFXSetup/Release/7zS.sfx