message: ENH: Update CI builds systems from Ubuntu 18.04 to 20.04
diff: @@ -8,9 +8,9 @@ jobs:
  strategy:
  max-parallel: 3
  matrix:
  - os: [ubuntu-18.04, windows-2019, macos-10.15]
  + os: [ubuntu-20.04, windows-2019, macos-10.15]
  include:
  - - os: ubuntu-18.04
  + - os: ubuntu-20.04
  c-compiler: "gcc"
  cxx-compiler: "g++"
  itk-git-tag: "v5.2.1"
  @@ -257,7 +257,7 @@ jobs:
  - build-linux-python-packages
  - build-macos-python-packages
  - build-windows-python-packages
  - runs-on: ubuntu-18.04
  + runs-on: ubuntu-20.04
  steps:
  - name: Download Python Packages
  