FINERACT-2621: Retry business date increase on concurrent initialization race

[avivijay19]

Description

Extracted from #6069, where review asked for this to be raised in a separate PR since it is a pre-existing race, not something introduced by the Spring Boot upgrade.

INCREASE_BUSINESS_DATE_BY_1_DAY and INCREASE_COB_DATE_BY_1_DAY can run at the same time, and when m_business_date has no row for a type yet, both jobs insert the initial row and one of them fails on a duplicate key. This surfaced as a SchedulerJobsTest failure on a MySQL CI shard of #6069.

increaseDateByTypeByOneDay now runs in a transaction of its own, and the tasklets retry once when the first attempt is rolled back by the concurrent job.

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[AshharAhmadKhan]

@avivijay19 please check the failing log.