small: bump version

New commits:

* matras: increase max capacity from 2^31 to 2^32 blocks
* matras: fix compilation on macOS
* small: introduce the new method small_alloc_info

Closes #9864

NO_TEST=small submodule bump
NO_DOC=I will update https://github.com/tarantool/doc/issues/3816

(cherry picked from commit 1e86e0a4)