[Compiler] things annotated to `true` / `false` (?) seem to emit wrong type

Self explanatory. `true` & `false` annotations appear to emit bytecode for `LBC_TYPE_ANY` instead of `LBC_TYPE_BOOLEAN` when viewed in luau-lsp:

<img width="878" height="61" alt="Image" src="https://github.com/user-attachments/assets/b7fa5ccc-6505-4dba-a4ba-c0f81211aaa7" />

annotating to singleton variants providing less information to the compiler than `boolean` seems weird to me