chore(renovate): Update Nordeck

This MR contains the following updates:

Package	Type	Update	Change
alpine/k8s	Nordeck	minor	1.26.8 -> 1.30.0
bitnami/kubectl (source)	Nordeck	minor	1.26.8 -> 1.30.1
nordeck/matrix-neoboard-widget	Nordeck	minor	1.14.0 -> 1.17.0

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