[UXE-5886] refactor: update WAF rules create service to use API v4 endpoint

[peterpaulo-azion]

Pull Request

What is the new behavior introduced by this PR?

• Renamed makeWafBaseUrl to makeWafRulesBaseUrl for clarity.
• Updated service files to use the new base URL function.
• Adjusted the createWafRulesService import in the routes file to align with the new structure.
• Ensured all relevant services are exported from the index file.

Does this PR introduce breaking changes?

• No
• Yes

Does this PR introduce UI changes? Add a video or screenshots here.

Does it have a link on Figma?

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Checklist

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• The issue title follows the format: [ISSUE_CODE] TYPE: TITLE
• Commits are tagged with the right word (feat, test, refactor, etc)
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• Code is formatted and linted
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These changes were tested on the following browsers:

• Chrome
• Edge
• Firefox
• Safari

The base branch was changed.

[peterpaulo-azion]

PR #2011 - já aprovado e adicionado a esse.