Update another doc link in README #1594

Job	Run time
Windows - PHP 8.1 & SQL Server	2m 38s
Coding Standard & Static Analysis	30s
testsuite (8.5, mysql)	1m 8s
testsuite (8.1, mysql)	43s
testsuite (8.1, pgsql)	52s
testsuite (8.5, pgsql)	47s
testsuite (8.1, sqlite, prefer-lowest)	31s
testsuite (8.1, sqlite)	34s
testsuite (8.5, sqlite)	42s
testsuite (8.2, mysql)	1m 18s
	9m 43s

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