Use timestamp column type for phinxlog if addTimestampsUseDateTime flag disabled #1537

Job	Run time
Windows - PHP 8.1 & SQL Server	2m 49s
Coding Standard & Static Analysis	38s
testsuite (8.1, pgsql)	47s
testsuite (8.4, mysql)	56s
testsuite (8.1, mysql)	48s
testsuite (8.4, sqlite)	27s
testsuite (8.1, sqlite, prefer-lowest)	27s
testsuite (8.4, pgsql)	46s
testsuite (8.1, sqlite)	29s
testsuite (8.2, mysql)	1m 39s
	9m 46s

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