fix: widen schema bound signature

Author: lmmx

src/phantom/interval.py

@@ -164,12 +164,14 @@ def parse(cls: type[Derived], instance: object) -> Derived:
         )
 
     @classmethod
-    def _schema_bound(cls, value: float, infinity: float) -> int | float | None:
+    def _schema_bound(
+        cls, value: FloatComparable[Any], infinity: float
+    ) -> int | float | None:
         """Convert interval bound to schema-appropriate numeric type."""
         if value == infinity:
             return None
         if isinstance(cls.__bound__, type) and issubclass(cls.__bound__, int):
-            return int(value)
+            return int(value)  # type: ignore[call-overload, no-any-return]
         return float(value)