changed the lambda parameters in JWST CDRl demos

demos/JWST_CDRl.py

@@ -3,6 +3,6 @@ import SetProxPythonPath
 from proxtoolbox.experiments.phase.JWST_Experiment import JWST_Experiment
 
 JWST = JWST_Experiment(algorithm='CDRl', formulation='cyclic',
-                       lambda_0=0.25, lambda_max=0.25, MAXIT=600, rotate=True)
+                       lambda_0=0.99, lambda_max=0.5, MAXIT=600, rotate=True)
 JWST.run()
 JWST.show()