Allow overriding ES in sphere example (#439) #2330

Job	Run time
pre-commit	1m 37s
pin	2m 35s
test (ubuntu-latest, 3.11)	1m 15s
test (macos-latest, 3.11)	2m 56s
benchmarks	1m 49s
coverage	1m 39s
test (windows-latest, 3.11)	4m 26s
examples	2m 53s
docs	4m 57s
tutorials_list	4s
tutorials (tutorials/arm_repertoire.ipynb)	1m 11s
tutorials (tutorials/cma_mae.ipynb)	2m 9s
tutorials (tutorials/features/example.ipynb)	37s
tutorials (tutorials/fooling_mnist.ipynb)	2m 20s
tutorials (tutorials/lsi_mnist.ipynb)	3m 5s
tutorials (tutorials/lunar_lander.ipynb)	1m 41s
tutorials (tutorials/tom_cruise_dqd.ipynb)	6m 5s
deploy	0s
	41m 19s

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