What does this PR do?

Adds a new community piece for Fireflies.ai, enabling automation for meeting transcriptions, notes, and analytics.

Explain How the Feature Works

Connects to Fireflies.ai API (GraphQL) via API Key.

• Trigger: New Transcription Complete (via webhook).
• Actions:
  • Find meetings (by ID, most recent, by query).
  • Upload audio for transcription.
  • Get user details.

Relevant User Scenarios

• Sync meeting summaries/notes to other apps (Slack, CRM).
• Automate transcription of uploaded audio.
• Personalize workflows with user data.

Fixes #7606 /claim #7606