Mattermost Teams Add support for Ingress networking.k8s.io/v1 apiVersion

[Serk72]

Add support for Ingress networking.k8s.io/v1 for mattermost teams chart. Ingress networking.k8s.io/v1 will only be used for kuberentes 1.19+ and old versions will maintain their current functionality.

Added instructions to readme for how to recover if the update to kubernetes 1.22 is done before running this chart update as the Ingress networking.k8s.io/v1beta1 is removed in this version.

[mattermod]

Hello @Serk72,

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[Serk72]

/check-cla

[HujinoKun]

It would be great if the modifications were taken into account on the main branch :)

[eddycharly]

+1 :)

[mattermod]

This PR has been automatically labelled "stale" because it hasn't had recent activity. A core team member will check in on the status of the PR to help with questions. Thank you for your contribution!

/cc @aspleenic

[JosefWN]

+1

[JosefWN]

I think this can be closed now: https://github.com/mattermost/mattermost-helm/pull/322

[Serk72]

The Readme changes may be nice to have still but yea with that pull request the main issue is fixed so I'll close this