Extractor changes

• abematv: Adapt key retrieval to request handler framework (#10491) by bashonly
• facebook: Fix extraction (#10531) by bashonly
• mlbtv: Fix extractor (#10515) by bashonly
• tiktok: Fix and deprioritize JSON subtitles (#10516) by bashonly
• vimeo: Fix chapters extraction (#10544) by bashonly
• youtube: Fix n function name extraction for player 3400486c (#10542) by bashonly

Misc. changes

• build: Pin setuptools version (#10493) by bashonly