fix(CSI-226): support IPv6 in APIclient

[sergeyberezansky]

TL;DR

This PR adds validation functions to check for valid IPv4, IPv6 addresses, and hostnames in the resetDefaultEndpoints method and skips endpoints that do not pass validation.

What changed?

• Introduced isValidIPv4Address, isValidIPv6Address, and isValidHostname functions.
• Updated the resetDefaultEndpoints method to utilize these validation functions and skip invalid endpoints.

How to test?

• Add unit tests to check validation functions with various inputs.
• Test CSI plugin basic sanity in IPv6-enabled Kubernetes cluster against IPv6-only Weka cluster (install, create PVC, create pod)

Why make this change?

• This change ensures that IPv6 addresses can be specified in configuration

[sergeyberezansky]

• #288
• #287 👈
• #290
• #295
• #294
• #286 : 2 other dependent PRs (#289 , #292 )
• #293
• dev

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Graphite Automations

"Request reviewers once CI passes" took an action on this PR • (07/23/24)

1 reviewer was added to this PR based on Sergey Berezansky's automation.

[sergeyberezansky]

Merge activity

• Jul 31, 6:51 AM EDT: @sergeyberezansky started a stack merge that includes this pull request via Graphite.
• Jul 31, 6:55 AM EDT: Graphite rebased this pull request as part of a merge.
• Jul 31, 6:56 AM EDT: @sergeyberezansky merged this pull request with Graphite.