Merge pull request #36 from AtelierArith/terasaki/update-CI

Update CI

Author: terasakisatoshi

.github/workflows/CI.yml

@@ -18,11 +18,9 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.8'
-          - '1.9'
           - '1.10'
           - '1'
-          - 'nightly'
+          # - 'nightly'
         os:
           - ubuntu-latest
         arch: