Merge pull request #5 from medyan-dev/nhz2-patch-1

Update CI.yml

Author: nhz2

.github/workflows/CI.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         version:
           - '1.6'
-          - '1.7'
+          - '1.9'
           - 'nightly'
         os:
           - ubuntu-latest