Merge pull request #325 from cakephp/docs-update-3x #446

Job	Run time
testsuite / testsuite-linux (8.5, highest, false)	15s
testsuite / testsuite-linux (8.2, highest, false)	20s
cs-stan / Coding Standard & Static Analysis	27s
testsuite / testsuite-linux (8.3, highest, false)	16s
testsuite / testsuite-linux (8.2, lowest, false)	16s
testsuite / testsuite-linux (8.4, highest, false)	17s
	1m 51s

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