pybind/rados: fix the incorrect order of offset,length in WriteOp.zero

The offset and length parameters in the rados pybind `WriteOp.zero()` method are being passed to the rados_write_op_zero() function in the incorrect order.
Incorrect order cause OP_ZERO not work correctly when use pybind's rados.

Signed-off-by: Wang Chao <[email protected]>

Author: Sean10

src/pybind/rados/rados.pyx

@@ -1870,7 +1870,7 @@ cdef class WriteOp(object):
             uint64_t _offset = offset
 
         with nogil:
-            rados_write_op_zero(self.write_op, _length, _offset)
+            rados_write_op_zero(self.write_op, _offset, _length)
 
     def truncate(self, offset: int):
         """