Fixes CI

Author: sobolevn

returns/context/requires_context_future_result.py

@@ -661,19 +661,19 @@ def bind_async_future(
           >>> from returns.future import Future
           >>> from returns.io import IOSuccess, IOFailure
 
-          >>> def function(num: int) -> Future[int]:
+          >>> async def function(num: int) -> Future[int]:
           ...     return Future.from_value(num + 1)
 
           >>> assert anyio.run(
-          ...     RequiresContextFutureResult.from_value(1).bind_future(
+          ...     RequiresContextFutureResult.from_value(1).bind_async_future(
           ...         function,
           ...     ),
           ...     RequiresContextFutureResult.empty,
           ... ) == IOSuccess(2)
 
           >>> failed = RequiresContextFutureResult.from_failure(':(')
           >>> assert anyio.run(
-          ...     failed.bind_future(function),
+          ...     failed.bind_async_future(function),
           ...     RequiresContextFutureResult.empty,
           ... ) == IOFailure(':(')