message: Switch to new environmental variable method for Mac
diff: @@ -8,7 +8,7 @@ on: [push, pull_request]
  env:
  BUILD_TYPE: Release
  - QT_VERSION: 5.12.9
  + QT_VERSION: 5.15.2
  MACOSX_DEPLOYMENT_TARGET: 10.12
  CCACHE_VERSION: 3.7.7
  FEATURES: -DUSE_VTK=ON -DBUILD_GPL_PLUGINS=ON
  @@ -60,8 +60,8 @@ jobs:
  - name: Install Dependencies (macOS)
  if: runner.os == 'macOS'
  run: |
  - echo "::set-env name=MACOSX_DEPLOYMENT_TARGET::${{ env.MACOSX_DEPLOYMENT_TARGET }}"
  - brew install ninja boost qt eigen glew open-babel
  + echo "MACOSX_DEPLOYMENT_TARGET=${{ env.MACOSX_DEPLOYMENT_TARGET }}" >> $GITHUB_ENV
  + brew install ninja boost eigen glew open-babel
  - name: Install Dependencies (Windows)
  if: runner.os == 'Windows'
  run: choco install ninja
  