all: fix leftover "cargo build" reference in claude.md (#6114) #10174

Job	Run time
Subgraph Runner integration tests	4m 57s
Run integration tests	6m 18s
Run unit tests	9m 37s
Clippy linting	2m 12s
Check rustfmt style	11s
Build in release mode	1m 34s
	24m 49s

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