ruby : add `VAD::Context#segments_from_samples`, allow Pathname, etc. (#3633)
* ruby : Bump version to 1.3.6
* Fix code in example
* Add sample code to transcribe from MemoryView
* Define GetVADContext macro
* Use GetVADContext
* Extract parse_full_args function
* Use parse_full_args in ruby_whisper_full_parallel
* Free samples after use
* Check return value of parse_full_args()
* Define GetVADParams macro
* Add VAD::Context#segments_from_samples
* Add tests for VAD::Context#segments_from_samples
* Add signature for VAD::Context#segments_from_samples
* Add sample code for VAD::Context#segments_from_samples
* Add test for Whisper::Context#transcribe with Pathname
* Make Whisper::Context#transcribe and Whisper::VAD::Context#detect accept Pathname
* Update signature of Whisper::Context#transcribe
* Fix variable name
* Don't free memory view
* Make parse_full_args return struct
* Fallback when failed to get MemoryView
* Add num of samples when too long
* Check members of MemoryView
* Fix a typo
* Remove unnecessary include
* Fix a typo
* Fix a typo
* Care the case of MemoryView doesn't fit spec
* Add TODO comment
* Add optimazation option to compiler flags
* Use ALLOC_N instead of malloc
* Add description to sample code
* Rename and change args: parse_full_args -> parse_samples
* Free samples when exception raised
* Assign type check result to a variable
* Define wrapper function of whisper_full
* Change signature of parse_samples for rb_ensure
* Ensure release MemoryView
* Extract fill_samples function
* Free samples memory when filling it failed
* Free samples memory when transcription failed
* Prepare transcription in wrapper funciton
* Change function name
* Simplify function boundary