Mux-python

- Add support for User Agent restrictions within `PlaybackRestriction`
- Add support for [error severity and business exceptions](https://docs.mux.com/guides/error-categorization)
- Add support for updated MP4 options
- Add support for [additional ad metrics](https://www.mux.com/blog/beyond-content-the-crucial-metrics-for-successful-ad-supported-streaming)
- Fix issue with handling generated subtitle tracks
- Add missing `encoding_tier` field to `DeliveryReport`

* Adds updated MP4 generation options.

* Adds APIs for retroactive caption generation
* Adds `ingest_type` field on Assets
* Adds fields related to SRT support including `active_ingest_protocol`, `error_severity`,
* Updates Simulcast documentation for SRT support
* Adds several fields to the Data API, including `player_error_code`, `starting_up_viewers`, `playback_failure_error_type_id`, `playback_business_exception_error_type_id`, `video_startup_business_exception_error_type_id`, `error_severity`
* General documentation cleanup across Video and Data APIs

- add support for metric filters for all Data routes
- add support for filtering on insights routes
- additional fields available on list video views endpoint (Viewer Experience Score and Watch Time)
- add support for `primary` on the Track model
- add support for additional Ad Metrics

- Add Web Inputs
- Additional documentation for optional fields
- Updated Mux Data fields
- Cleanup typos
- Fix deprecation warning for urllib3

* Fix release action