databases/cego: update 2.44.3 -> 2.44.4

• Added fix in CegoExpr::evalField and CegoTerm::evalField to provide correct result type. This is required for fastserial protocol usage.
• Also added fix in CegoFieldValue::operators +-*/ to cast to the largest value

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