test only 2.11

Author: patapenka-alexey

.github/workflows/testing.yml

@@ -21,9 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         tarantool:
-          - '1.10'
-          - '2.8'
-          - '2.10'
+          - '2.11'
 
     steps:
       - name: Clone the module