message: Updates to GitHub CI
  Upgrade Ubuntu version for GCC 10 builds.
  Add test for shared libraries on Windows.
diff: @@ -32,7 +32,7 @@ jobs:
  python: 3.7
  - name: Linux_GCC_10_Python37
  - os: ubuntu-18.04
  + os: ubuntu-20.04
  compiler: gcc
  compiler_version: "10"
  python: 3.7
  @@ -61,7 +61,7 @@ jobs:
  os: windows-2016
  architecture: x86
  python: 2.7
  - cmake_config: -G "Visual Studio 15 2017" -A "Win32"
  + cmake_config: -G "Visual Studio 15 2017" -A "Win32" -DMATERIALX_BUILD_SHARED_LIBS=ON
  - name: Windows_VS2017_x64_Python37
  os: windows-2016
  @@ -136,6 +136,11 @@ jobs:
  echo "MESA_GLSL_VERSION_OVERRIDE=400" >> $GITHUB_ENV
  echo "GALLIUM_DRIVER=softpipe" >> $GITHUB_ENV
  + - name: Set Runtime Path (Windows)
  + if: runner.os == 'Windows'
  + run: echo "$PWD" | Out-File -FilePath $env:GITHUB_PATH -Append
  + working-directory: build/installed/bin
  +
  - name: CMake Unit Tests
  run: ctest -VV --output-on-failure --build-config Release
  working-directory: build
  