Bump ai-integrations workspace to 1.49.4 #26234

Job	Run time
Detect workspace changes	13s
Workspace noop, CI step for node 24	46s
Workspace noop, Verify step	31s
Workspace ai-integrations, Verify step	34s
Workspace ai-integrations, CI step for node 24	3m 47s
check all required jobs	2s
	5m 53s

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