Update ci.yml

Author: chkwon

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu-latest", "windows-2019", "macos-latest" ]
-        python-version: [ "3.8", "3.9", "3.10" ]
+        python-version: [ "3.11", "3.10" ]
 
     steps:
       - uses: actions/checkout@v2