Update CI.yml to only test the live julia versions

Author: NHDaly

.github/workflows/CI.yml

@@ -18,9 +18,8 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.8'
-          - '1.8.2'
           - '1.9'
+          - '1'
           - 'nightly'
         os:
           - ubuntu-latest