update to latest pg_wire

[coveralls]

Pull Request Test Coverage Report for Build 738454840

• 98 of 207 (47.34%) changed or added relevant lines in 6 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.7%) to 68.362%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
sql_engine/scalar/src/lib.rs	2	4	50.0%
node_engine/src/lib.rs	0	37	0.0%
node_engine/src/query_engine/mod.rs	71	141	50.35%
<!--	Total:	98	207	47.34%	-->

Files with Coverage Reduction	New Missed Lines	%
node_engine/src/query_engine/mod.rs	3	56.61%
<!--	Total:	3		-->

Totals
Change from base Build 677178188:	0.7%
Covered Lines:	2433
Relevant Lines:	3559

---

💛 - Coveralls