experiment: use `2.11.2-picodata-patched` instead

This version of tarantool-sys drops 4 controversial commits from the
upstream:

* wal: fix transaction boundaries for replicated transactions
* relay: send rows transactionally
* box: get rid of dummy NOPs after transactions ending with local rows
* box: fix force recovery for transactions with local rows

tarantool-sys @ da5ad0fa

-Subproject commit a4d177f9089bb0c476f42a813cd02a070b1ae38a
+Subproject commit da5ad0fa3ab8940f524cfa9bf3d582347c01fc4a