chore(main): release 5.2.0

[github-actions]

🤖 I have created a release beep boop

5.2.0 (2025-10-21)

Features

• Added mip_opt_out parameter to Listen V1 Media endpoints (transcribe_url and transcribe_file) allowing users to opt out of the Deepgram Model Improvement Program (docs) (#609) (5b21460)
• Updated parameter documentation across sync and async clients to reflect this new field (#609) (5b21460)
• Changed ttl_seconds type from int → float in Auth V1 Tokens clients for more precise expiry values (#609) (5b21460)
• Simplified Listen V1 WebSocket clients by removing the unused filler_words parameter (#609) (5b21460)
• Made encoding and sample_rate optional in Listen V2 clients for improved flexibility (#609) (5b21460)
• Standard regeneration from latest Fern API definitions (#609) (5b21460)

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[github-actions]

🤖 Created releases:

• v5.2.0

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