Update dependency gawk to v5.4.0 #4475

Job	Run time
review / Gate	4s
review / Prepare	-1s
review / Review (Claude)	-1s
review / Review (Gemini)	-1s
review / Review (Codex)	-1s
review / Acknowledge request	-1s
review / Post review	-1s
review / Finalize request signal	-1s
	-3s

Navigation Menu