databases/cego: upgrade 2.44.11 -> 2.44.12

• Fix added in CegoTransactionManager::commitUpdate, btree must be inserted with insertBTreeWithCommit
• Fix added in CegoTransactionManager::getCrashAffectedTables, schema entry must be searched with Find(CegoField(Chain(), SYS_RB_TABLE))

Submitted by: Bjoern Lemke <lemke@lemke-it.com>