Pin python version to 3.10 because of 3.12 github actions incompatibi… #262

Job	Run time
Generate build matrix	7s
build-and-push-arena-images (images/base, base-on3.10-bullseye, on=3.10-bullseye)	1m 44s
build-and-push-arena-images (images/base, base-on3.9-bullseye, on=3.9-bullseye)	2m 4s
build-and-push-arena-images (images/base, base-on3.8-bullseye, on=3.8-bullseye)	1m 42s
build-and-push-arena-images (images/base, base-on3.7-bullseye, on=3.7-bullseye)	1m 38s
build-and-push-arena-images (images/ray_rllib, ray-rllib-on3.10-bullseye, on=3.10-bullseye)	30m 24s
build-and-push-arena-images (images/ray_rllib, ray-rllib-on3.9-bullseye, on=3.9-bullseye)	31m 42s
build-and-push-arena-images (images/ray_rllib, ray-rllib-on3.8-bullseye, on=3.8-bullseye)	33m 24s
build-and-push-arena-images (images/sheeprl, sheeprl-on3.10-bullseye, on=3.10-bullseye)	23m 50s
build-and-push-arena-images (images/sheeprl, sheeprl-on3.9-bullseye, on=3.9-bullseye)	23m 15s
build-and-push-arena-images (images/sheeprl, sheeprl-on3.8-bullseye, on=3.8-bullseye)	25m 18s
build-and-push-arena-images (images/stable-baselines, stable-baselines-on3.7-bullseye, on=3.7-bul...	9m 11s
build-and-push-arena-images (images/stable-baselines3, stable-baselines3-on3.10-bullseye, on=3.10...	24m 59s
build-and-push-arena-images (images/stable-baselines3, stable-baselines3-on3.9-bullseye, on=3.9-b...	24m 36s
build-and-push-arena-images (images/stable-baselines3, stable-baselines3-on3.8-bullseye, on=3.8-b...	25m 43s
	4h 19m 37s

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