[ACTION] PostHog - Insights API

[jcortes]

WHY

Resolves #19330

Summary by CodeRabbit

• New Features

  • Added project insight management capabilities: create, retrieve, update, and list project insights.
  • Enhanced insight selection with a new property definition for insight identification.

• Chores

  • Updated package version to 0.3.0.
  • Bumped versions of existing PostHog actions for improvements and compatibility.

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