Security: Set the HttpOnly flag for the test cookie and the `wp_lang`… #41284

Job	Run time
JavaScript coding standards / Run coding standards checks	1m 2s
PHP coding standards / Run coding standards checks	24s
Slack Notifications / Prepare notifications	3s
Slack Notifications / Success notifications	2s
Slack Notifications / Fixed notifications	0s
Slack Notifications / Failure notifications	0s
Slack Notifications / Cancelled notifications	0s
Failed workflow tasks	0s
	1m 31s

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