fix(container): update neoshowcase group to v1.1.2 (patch)

[trap-renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/traptitech/ns-builder	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-controller	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-dashboard (source)	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-gateway	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-gitea-integration	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-migrate	Kustomization	patch	1.1.1 -> 1.1.2
ghcr.io/traptitech/ns-ssgen	Kustomization	patch	1.1.1 -> 1.1.2

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