test: update test-run

* Implement SQL driver (#4123).
* Support line carrying with backslash.
* Support new result file format (for new tests).

See the link below for a full description of the new features.

https://github.com/tarantool/test-run/commit/a04b5b096c607172ce4fc86a84e3531c9f3a7304

Fixes #4123.