Update TurkishCVVCPhonemizer for improved phonemization

[IsE333]

• Added support for updated oto.ini (alternative phonemes and vcc phonemes)
• Handling two different phoneme sets (old one is l, ly, L, LY and new one is l, l').
• Detection of singer's oto type when singer changing.

same lyrics works for two voicebanks with different oto types:

vcc support: vcc and vc+cc

previously only vc+cc was working

[Copilot]

Pull Request Overview

This PR enhances the Turkish CVVC Phonemizer to support multiple oto.ini formats and improves phoneme handling. The changes enable automatic detection of singer voicebank types and adaptation to different phoneme sets, while adding support for VCC (vowel-consonant-consonant) phonemes alongside the existing VC+CC pattern.

• Adds dynamic phoneme mapping based on available oto.ini entries for better voicebank compatibility
• Implements singer change detection to automatically sync phonemes when switching voicebanks
• Enhances VCC phoneme support as an alternative to VC+CC patterns

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