Freeze shard version on 1.2 in CI

Totktonada · Totktonada · commit 48ef5d749b7f · 2018-04-05T00:36:48.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -32,7 +32,7 @@ install:
   - cmake .
   - sudo make install
   - cd ..
-  - tarantoolctl rocks install shard
+  - tarantoolctl rocks install shard 1.2
   - tarantoolctl rocks install avro-schema
   - cd graphql
   - git submodule update --recursive --init
