feat: add button style and emoji support for cabinet mode (Bot API 9.4)

- Upgrade aiogram to 3.25.0 for style/icon_custom_emoji_id support
- Add CABINET_BUTTON_STYLE config for global color override
- Per-section default styles: subscription (green), balance (blue),
  referral (green), admin (red), home (blue)
- Style priority: explicit > CABINET_BUTTON_STYLE > per-section default
- Add icon_custom_emoji_id pass-through for Premium bot owners
- Admin panel setting for button style with color picker

pyproject.toml

@@ -6,7 +6,7 @@ readme = 'README.md'
 license = { text = 'MIT' }
 requires-python = '==3.13.*'
 dependencies = [
-    'aiogram>=3.22.0',
+    "aiogram>=3.25.0",
     'sqlalchemy>=2.0.43',
     'alembic>=1.16.5',
     'asyncpg>=0.30.0',