[*] apply modern Go syntax guidelines with `go fix` (#260)

[*] update `pgxmock` module version to v5 to match release tag (#247)

Signed-off-by: Steve Coffman <steve@khanacademy.org>

[!] have `RawValues` utilize `pgtype` encoding (#246)

* RawValues to utilize pgtype encoding

* fix a typo

* Corrected timezone issue in example

* Moved pgtypMap into the global scope to utilize proper caching.

Added mutexes to make it concurrently safe.

---------

Co-authored-by: Pavlo Golub <pavlo.golub@gmail.com>

[-] fix copy-paste issue in `CopyFrom()`, closes #244

Fix unsafe lock behavior on Argument panic (#234)

* Fix unsafe lock behavior on Argument panic

---------

Co-authored-by: Pavlo Golub <pavlo.golub@gmail.com>

[+] bump `jackc/pgx/v5` from v5.7.2 to v5.7.4 (#233)

go: upgraded github.com/jackc/pgx/v5 v5.7.0 => v5.7.4
go: upgraded github.com/jackc/puddle/v2 v2.2.1 => v2.2.2
go: upgraded golang.org/x/crypto v0.27.0 => v0.37.0
go: upgraded golang.org/x/sync v0.8.0 => v0.13.0
go: upgraded golang.org/x/text v0.18.0 => v0.24.0

[+] convert types in `Scan` if possible (#232)

Co-authored-by: Pavlo Golub <pavlo.golub@gmail.com>

[+] add `QueryMatcherAny` to skip expected SQL checks (#230)

[+] make sure `pgxmockPool.Config()` initializes `ConnConfig` (#223)

[+] bump `jackc/pgx/v5` from 5.6.0 to 5.7.0 (#220)