ci: add tarantool 2.10 into CI

It is easy to do now, when [1] is implemented.

[1]: tarantool/setup-tarantool#19

Fixes #21

(cherry picked from commit 171002d)

Author: Totktonada

.github/workflows/fast_testing.yml

@@ -24,6 +24,7 @@ jobs:
           - '2.6'
           - '2.7'
           - '2.8'
+          - '2.10'
         build_flow:
           - 'cmake_and_make'
           - 'luarocks'