chore(deps): update go to v1.22.8 (v1.2) (patch)

[cilium-renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/library/golang		patch	1.22.6 -> 1.22.8
docker.io/library/golang		patch	1.22.6-alpine -> 1.22.8-alpine
docker.io/library/golang	final	patch	1.22.6 -> 1.22.8
docker.io/library/golang	stage	patch	1.22.6 -> 1.22.8
docker.io/library/golang	stage	patch	1.22.6-alpine -> 1.22.8-alpine
go (source)		patch	1.22.6 -> 1.22.8

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