Use "macOS-latest" on "Github Actions".
@@ -7,7 +7,7 @@ jobs:
name: Unix Build
strategy:
matrix:
- os: [ubuntu-18.04, macOS-10.14]
+ os: [ubuntu-18.04, macOS-latest]
python-version: [2.7, 3.6, 3.7]
runs-on: ${{ matrix.os }}
steps:
