Feature: Replace IPv6 Regex with IPAddress Parse

[BornToBeRoot]

Changes proposed in this pull request

• Replace IPv6 Regex with IPAddress Parse

ToDo:

• IPAddressOrHostnameAsRangeValidator - Check if we need to use this more often to validate input

Related issue(s)

• Fixes Status: Open.
  Replace IPv6 Regex with IPAddress.TryParse #3097

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To-Do

• Update changelog to reflect this changes

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