Ensure we test on 1.5

Author: c42f

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
           - '1.2'
           - '1.3'
           - '1.4'
+          - '1.5'
           - 'nightly'
         os:
           - ubuntu-latest
@@ -35,9 +36,11 @@ jobs:
           - {os: 'macOS-latest', version: '1.1'}
           - {os: 'macOS-latest', version: '1.2'}
           - {os: 'macOS-latest', version: '1.3'}
+          - {os: 'macOS-latest', version: '1.4'}
           - {os: 'windows-latest', version: '1.1'}
           - {os: 'windows-latest', version: '1.2'}
           - {os: 'windows-latest', version: '1.3'}
+          - {os: 'windows-latest', version: '1.4'}
     steps:
       - uses: actions/checkout@v1
       - uses: julia-actions/setup-julia@latest