Test on 1.8

Author: dlfivefifty

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
         version:
           - '1.3'
           - '1'
-          - '^1.7.0-0'
+          - '^1.8.0-0'
         os:
           - ubuntu-latest
           - macOS-latest