message: GH-actions: run CUDA build on Ubuntu 18 and 20.
diff: @@ -43,7 +43,13 @@ jobs:
  build-cuda:
  - runs-on: ubuntu-latest
  + runs-on: ${{ matrix.config.os }}
  + strategy:
  + fail-fast: false
  + matrix:
  + config:
  + - os: ubuntu-20.04
  + - os: ubuntu-18.04
  steps:
  - uses: actions/checkout@v2
  