update: update module lib/pq to v1.9.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/lib/pq	require	minor	v1.8.0 -> v1.9.0

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Release Notes

lib/pq

v1.9.0

Compare Source

• better errors on network failures
• fully implement database/sql/driver.Driver
• improved query cancellation from contexts
• support int32/float32/[]byte slices in Array

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[codecov]

Codecov Report

Merging #109 (e9ce17f) into master (aaee43d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #109   +/-   ##
=======================================
  Coverage   38.79%   38.79%           
=======================================
  Files           3        3           
  Lines         415      415           
=======================================
  Hits          161      161           
  Misses        246      246           
  Partials        8        8           

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