Update docker.io/library/golang Docker tag to v1.22.6

This MR contains the following updates:

Package	Type	Update	Change
docker.io/library/golang	image-name	patch	1.22.5-bookworm -> 1.22.6-bookworm
docker.io/library/golang	stage	patch	1.22.5-bookworm -> 1.22.6-bookworm

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