v1.9.0

This release contains the following fixes & enhancements:

• Feat: Add language translations for Japanese, Indonesia, Turkish, Polish, Dutch, Brazil, Portuguese.
• Feat: Add custom filters for LLM options apbe_open_ai_options, apbe_gemini_options, apbe_deepseek_options, apbe_grok_options, apbe_claude_options.
• Refactor: Replace get_400_response with get_error_response.
• Refactor: Replace repeated mocks using WPMockTestCase library.
• Refactor: Replace fully qualified class paths with their use counterparts.
• Refactor: Move admin page options to the various provider classes respectively.
• Refactor: Make showAnimatedAiText function reusable.
• Test: Add e2e tests for plugin codebase.
• Tested up to WP 6.9.