bug: syntax highlighting doesn't work on block comments

### Description of the bug

<img width="424" height="116" alt="Image" src="https://github.com/user-attachments/assets/1221db5d-9911-4ddd-b6b1-4b708e82bfd8" />

### Steps to reproduce

See screenshot

### Expected behavior

Syntax should be highlighted properly

### Actual behavior

See screenshot

### PrismaHighlight version

latest