ci: run only 2023 lts versions (#281)

Author: simPod

.github/workflows/ci.yml

@@ -65,15 +65,8 @@ jobs:
         php-version:
           - "8.2"
         clickhouse-version:
-          - "23.1"
-          - "23.2"
           - "23.3"
-          - "23.4"
-          - "23.5"
-          - "23.6"
-          - "23.7"
           - "23.8"
-          - "23.9"
           - "24.3"
           - "24.8"
         dependency-versions: