update mariadb tests to 10.8, remove end of life mariadb 10.2 (#802)

Author: Nothing4You

.github/workflows/ci-cd.yml

@@ -413,12 +413,12 @@ jobs:
         db:
         - [mysql, '5.7']
         - [mysql, '8.0']
-        - [mariadb, '10.2']
         - [mariadb, '10.3']
         - [mariadb, '10.4']
         - [mariadb, '10.5']
         - [mariadb, '10.6']
         - [mariadb, '10.7']
+        - [mariadb, '10.8']
 
       fail-fast: false
     runs-on: ${{ matrix.os }}