Runner for dynamical systems using adaptive integrators

[chaoming0625]

Please:

• [x] Check for duplicate requests.
• [x] Describe your goal, and if possible provide a code snippet with a motivating example.

Currently, the brainpy.dyn.DSRunner and brainpy.integrators.IntegratorRunner have good supports on non-adaptive numerical integrators. However, they failed when applying to the models modeled with adaptive integration methods.