message: Update GH Actions to run on Big Sur (mac)
diff: @@ -9,7 +9,7 @@ on:
  jobs:
  macos:
  - runs-on: macOS-latest
  + runs-on: macos-11.0
  steps:
  - uses: actions/checkout@v2
  with:
  @@ -115,7 +115,7 @@ jobs:
  bash ./dist/osx/build.sh update_release
  macos-cmake:
  - runs-on: macOS-latest
  + runs-on: macos-11.0
  steps:
  - uses: actions/checkout@v2
  with:
  