docs: Enforce keyword arguments in the sweeper constructor

src/qibolab/sweeper.py

@@ -50,7 +50,7 @@ class Sweeper(Model):
             sequence = natives.MZ.create_sequence()
             parameter_range = np.random.randint(10, size=10)
             sweeper = Sweeper(
-                parameter=Parameter.frequency, parameter_range, channels=[qubit.probe.name]
+                parameter=Parameter.frequency, values=parameter_range, channels=[qubit.probe.name]
             )
             platform.execute([sequence], ExecutionParameters(), [[sweeper]])