[bitnami/kafka] IpFamilies and IpFamilyPolicy configurables

[Yhasmina]

Description of the change

Add the ability to configure the ipFamilyPolicy and ipFamilies in services. This is something that is needed in some environments where exists dual stack but we want to prefer just ipv6 ips, for example.

Benefits

It's possible to modify the ipFamilies and ipFamilyPolicy of all of the services of kafka deployment.

Additional information

By default the values are:

global:
  ipFamily:
  - IPv4
  ipFamilyPolicy: SingleStack

Checklist

• Chart version bumped in Chart.yaml according to semver. This is not necessary when the changes only affect README.md files.
• Variables are documented in the values.yaml and added to the README.md using readme-generator-for-helm
• Title of the pull request follows this pattern [bitnami/<name_of_the_chart>] Descriptive title
• All commits signed off and in agreement of Developer Certificate of Origin (DCO)

[carrodher]

Thank you for initiating this pull request. We appreciate your effort. This is just a friendly reminder that signing your commits is important. Your signature certifies that you either authored the patch or have the necessary rights to contribute to the changes. You can find detailed information on how to do this in the “Sign your work” section of our contributing guidelines.

Feel free to reach out if you have any questions or need assistance with the signing process.

[carrodher]

For @bitnami-bot to update the branch with the README, CHANGELOG, and CRDs, permission is needed for https://github.com/AllotSecure/bitnami-charts. Could you please grant the required access by inviting @bitnami-bot as a collaborator in the fork? Thanks!

[Yhasmina]

@carrodher I've added @bitnami-bot as a contributor with write permissions https://github.com/AllotSecure/bitnami-charts/invitations

[carrodher]

Thanks, @bitnami-bot was able to update the branch, see 8dfa101.

It seems there are some conflicts that you need to solve before going ahead. Could you please rebase from main and solve the conflicts?

[fmulero]

Hi @Yhasmina

Sorry about the delay. I tried to fix the conflicts but I am not able to push the changes in your repository.

I've just left some comments, could you give them a glance?

[fmulero]

Thanks a lot @Yhasmina, Is there any reason to set these default values:

    ipFamilies:
      - IPv4
    ipFamilyPolicy: SingleStack

I'd be happier if we leave them empty by default. Forcing IPv4 by default could be a breaking change for many users.

[fmulero]

LGTM. Thanks a lot for your contribution