ci: install newer vshard for reusable test

Tarantool 3 config requires vshard 0.1.25 or newer, while tests install
older versions by default (since crud is able to work with older
vshards).

At the same time, newer vshard can work with old Tarantools.

Author: DifferentialOrange

.github/workflows/reusable_test.yml

@@ -39,6 +39,8 @@ jobs:
 
       - name: Install requirements
         run: ./deps.sh
+        env:
+          VSHARD_VERSION: "0.1.26"
 
       # This server starts and listen on 8084 port that is used for tests
       - name: Stop Mono server