Add algorithm/lock Support for alter columns in mysql #1550

Job	Run time
Coding Standard & Static Analysis	43s
Windows - PHP 8.1 & SQL Server	2m 47s
testsuite (8.1, pgsql)	54s
testsuite (8.1, sqlite)	45s
testsuite (8.1, mysql)	1m 6s
testsuite (8.5, sqlite)	32s
testsuite (8.1, sqlite, prefer-lowest)	45s
testsuite (8.5, pgsql)	49s
testsuite (8.5, mysql)	1m 1s
testsuite (8.2, mysql)	1m 6s
	10m 28s

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