some fix

docs/modules/linalg.md

@@ -50,7 +50,7 @@ class vec2:
     def smooth_damp(current: vec2, target: vec2, current_velocity: vec2, smooth_time: float, max_speed: float, delta_time: float) -> tuple[vec2, vec2]:
         ...
 
-class vec3(_StructLike['vec3']):
+class vec3:
     x: float
     y: float
     z: float

include/typings/linalg.pyi

@@ -44,7 +44,7 @@ class vec2:
         Returns a new value that is closer to the target and current velocity.
         """
 
-class vec3(_StructLike['vec3']):
+class vec3:
     x: float
     y: float
     z: float