Use CLARABEL solver for rocket landing optimization

Switched the solver from ECOS to CLARABEL in the optimization process of the rocket-powered landing module. This change is expected to improve performance and compatibility with specific problem constraints.

Author: AtsushiSakai

AerialNavigation/rocket_powered_landing/rocket_powered_landing.py

@@ -32,7 +32,7 @@
 W_NU = 1e5  # virtual control
 
 print(cvxpy.installed_solvers())
-solver = 'ECOS'
+solver = 'CLARABEL'
 verbose_solver = False
 
 show_animation = True