Add method to track an AI bot request, if the current user agent is a known AI bot

[diosmosis]

Description

Changes:

• Add doTrackPageViewIfAIBot & getUrlTrackAIBot methods for sending AI bot tracking requests server side.
• Add isUserAgentAIBot static method for checking if a user agent matches a known AI bot.

Checklist

• [✔/✖/NA] I have understood, reviewed, and tested all AI outputs before use
• [✔/✖/NA] All AI instructions respect security, IP, and privacy rules

Review

• Functional review done
• Potential edge cases thought about (behaviour of the code with strange input, with strange internal state or possible interactions with other Matomo subsystems)
• Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• Security review done
• Wording review done
• Code review done
• Tests were added if useful/possible
• Reviewed for breaking changes
• Developer changelog updated if needed
• New documentation added or existing documentation updated