CSOAR-3689: AWS Security Hub Integration: Reformat user message.

[mahendrak-sumo]

Purpose of this pull request

This PR updates the AWS Security Hub integration to improve user experience by reformatting user messages and correcting action names. The changes focus on making examples more readable and fixing naming inconsistencies.

Fixed action names for better clarity ("List Enable Products" → "List Enabled Products", "Batch Import Finding" → "Import Single Finding")
Updated hint text formatting by adding quotes around examples and improving grammar
Enhanced user message clarity throughout multiple action files

Select the type of change

• Minor Changes - Typos, formatting, slight revisions
• Update Content - Revisions, updating sections
• New Content - New features, sections, pages, tutorials
• Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

Ticket (if applicable)