Helm version in the release nic workflow should be pinned to helm 4.0.2

[javorszky]

Version

edge

What Kubernetes platforms are you running on?

Kind

Steps to reproduce

also added to renovate for update keeping

in a different workflow we're already using 4.0.2, but the release 5.3 used 3.18.6

[github-actions]

Hi @javorszky thanks for reporting!

Be sure to check out the docs and the Contributing Guidelines while you wait for a human to take a look at this 🙂

Cheers!