Bump golang.org/x/net in /dependency/retrieval (#14) #4

Job	Run time
Unit Tests	2m 30s
Integration Tests (paketobuildpacks/builder-ubi8-buildpackless-base)	1m 23s
Integration Tests (paketobuildpacks/ubuntu-noble-builder-buildpackless)	1m 34s
Integration Tests (paketobuildpacks/ubi-9-builder-buildpackless)	1m 40s
Integration Tests (paketobuildpacks/builder-jammy-buildpackless-base)	1m 28s
Alert on Failure	5s
Release	0s
	8m 40s

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