Changes to Start a run

removed the request property elevenLabsVoiceId

added the new optional request property backgroundColor

added the new optional request property colors

added the new optional request property draftVersionId

added the new optional request property guidanceScale

added the new optional request property loras

added the new optional request property modelConfig/background

added the new optional request property modelConfig/heygenAvatar

added the new optional request property modelConfig/heygenSettings

added the new optional request property modelConfig/preciseEdit

added the new optional request property modelConfig/quality

added the new optional request property modelConfig/thinkingLevel

added the new optional request property modelConfig/videoEditMode

added the new optional request property origin

added the new optional request property postProcess

added the new optional request property steps

added the new optional request property voiceId

added the new 1080P enum value to the request property outputResolution/oneOf[subschema #1]

added the new 19.5:9 enum value to the request property outputAspectRatio

added the new 1:2 enum value to the request property outputAspectRatio

added the new 20:9 enum value to the request property outputAspectRatio

added the new 2:1 enum value to the request property outputAspectRatio

added the new 480P enum value to the request property outputResolution/oneOf[subschema #1]

added the new 768P enum value to the request property outputResolution/oneOf[subschema #1]

added the new 9:19.5 enum value to the request property outputAspectRatio

added the new 9:20 enum value to the request property outputAspectRatio