Merge helm values update renovate.json into the preset one

[AtzeDeVries]

config is here:

https://github.com/coopnorge/helloworld/blob/main/.github/renovate.json5

remember that the renovate workflow also need to be triggerd on tag creation:

https://github.com/coopnorge/helloworld/blob/main/.github/workflows/renovate.yaml#L1-L4

[AtzeDeVries]

generic file was already there, fixed it in helloworld config

https://github.com/coopnorge/helloworld/pull/3348