Add Rapid7 IntelHub plugin

[pdeardorff-r7]

New plugin for Rapid7 Intelligence Hub API with the following actions:

• Search CVEs: Search CVE database with filters (cvss_score, exploitable, epss_score, cisa_kev, last_updated)
• Get CVE: Get detailed CVE information by ID
• Search Threat Actors: Search threat actor database by name/alias
• Get Threat Actor: Get detailed threat actor info by UUID
• Get Threat Actor CVEs: Get CVEs associated with a threat actor

Supports all Rapid7 regions (US, EU, CA, AU, JP)

🎫 Ticket

🧩 Type of Change

• Feature
• Bug fix
• Other

🧠 Background & Motivation

✨ What Changed

🧪 Testing

[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

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