Docs: Correct the placement of `@global` tags in various files. #30916

Job	Run time
Check PHP compatibility / Run compatibility checks	17s
Slack Notifications / Prepare notifications	6s
Slack Notifications / Success notifications	2s
Slack Notifications / Cancelled notifications	0s
Slack Notifications / Failure notifications	0s
Slack Notifications / Fixed notifications	0s
Failed workflow tasks	0s
	25s

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