feat: add several types to PGAdapter

[thiagotnunes]

Adds several type mappings for a PostgreSQL database.

• bigint
• bigserial
• bit
• bit varying
• bool
• boolean
• bytea
• char
• character
• character varying
• date
• decimal
• double precision
• float4
• float8
• int
• integer
• int2
• int4
• int8
• json
• jsonb
• money
• numeric
• oid
• real
• serial
• serial2
• serial4
• serial8
• smallint
• smallserial
• text
• timestamp
• timestamptz
• timestamp with time zone
• timestamp without time zone
• uuid
• varbit
• varchar

[codecov]

Codecov Report

Attention: Patch coverage is 96.42857% with 4 lines in your changes missing coverage. Please review.

Project coverage is 51.73%. Comparing base (ab97ff6) to head (d90947e).
Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
...owmapper/provider/PostgreSQLJdbcValueMappings.java	94.73%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1887      +/-   ##
============================================
+ Coverage     43.98%   51.73%   +7.75%     
+ Complexity     3457     1283    -2174     
============================================
  Files           827      372     -455     
  Lines         49052    20247   -28805     
  Branches       5141     2038    -3103     
============================================
- Hits          21576    10475   -11101     
+ Misses        25829     9116   -16713     
+ Partials       1647      656     -991     

Components	Coverage Δ
spanner-templates	66.49% <96.42%> (+2.90%)	⬆️
spanner-import-export	∅ <ø> (∅)
spanner-live-forward-migration	74.80% <ø> (-0.44%)	⬇️
spanner-live-reverse-replication	75.50% <ø> (+7.12%)	⬆️
spanner-bulk-migration	84.50% <96.42%> (+0.21%)	⬆️

Files with missing lines	Coverage Δ
...ypemapping/provider/PostgreSQLMappingProvider.java	100.00% <100.00%> (ø)
...owmapper/provider/PostgreSQLJdbcValueMappings.java	95.78% <94.73%> (-4.22%)	⬇️

... and 507 files with indirect coverage changes