feat: add default and custom validations for name field

[sgoral-splunk]

Issue number:ADDON-74237

Summary

Added support for default and custom name field validation

Changes

• RestModel now has an additional parameter "special_fields"
• RestEndpoint now has two additional methods for executing custom validations
• _pre_request decorator has new method "basic_name_validation" for basic validations

User experience

Name field will be validated on the server side

Checklist

If your change doesn't seem to apply, please leave them unchecked.

• [x] I have performed a self-review of this change
• [x] Changes have been tested
• [ ] Changes are documented
• [x] PR title follows conventional commit semantics

[hetangmodi-crest]

Integration test are failing, can you please fix it.

[srv-rr-github-token]

:tada: This PR is included in version 6.4.0-beta.1 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket:

[srv-rr-github-token]

:tada: This PR is included in version 6.4.0 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: