test: add test for Postgre upsertBatch()

[kenjis]

Description

• add test

$data = [
// new row insert
[
'type_varchar' => 'insert', // Key'type_bigint' => 9_999_999,
'type_date' => '2024-01-01',
'type_datetime' => '2024-01-01 09:00:00',
],
// update
[
'type_varchar' => 'test1', // Key'type_bigint' => 9_999_999,
'type_date' => '2024-01-01',
'type_datetime' => '2024-01-01 09:00:00',
],
];
$builder->onConstraint('type_varchar')->upsertBatch($data);

INSERT INTO"db_type_test" ("type_bigint", "type_date", "type_datetime", "type_varchar")
VALUES (9999999,'2024-01-01','2024-01-01 09:00:00','insert'), (9999999,'2024-01-01','2024-01-01 09:00:00','test1')
ON CONFLICT("type_varchar")
DO UPDATESET"type_bigint"="excluded"."type_bigint",
"type_date"="excluded"."type_date",
"type_datetime"="excluded"."type_datetime"

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide

[sclubricants]

Looks good