[Feat] Deprecate Python 3.8, add Python 3.12 + update CI/CD #1141

Job	Run time
agilerl-tutorial-test (3.9, AgileRL)	13m 54s
agilerl-tutorial-test (3.10, AgileRL)	15m 23s
tutorial-test (3.9, Tianshou)	3m 25s
agilerl-tutorial-test (3.11, AgileRL)	14m 44s
tutorial-test (3.9, CustomEnvironment)	33s
agilerl-tutorial-test (3.12, AgileRL)	20s
tutorial-test (3.9, CleanRL)	5m 38s
agilerl-tutorial-test (3.13, AgileRL)	2m 35s
tutorial-test (3.9, SB3/kaz)	4m 20s
tutorial-test (3.9, SB3/waterworld)	7m 55s
tutorial-test (3.9, SB3/test)	2m 14s
tutorial-test (3.10, Tianshou)	3m 27s
tutorial-test (3.10, CustomEnvironment)	30s
tutorial-test (3.10, CleanRL)	7m 13s
tutorial-test (3.10, SB3/kaz)	4m 42s
tutorial-test (3.10, SB3/waterworld)	8m 20s
tutorial-test (3.10, SB3/test)	2m 21s
tutorial-test (3.11, Tianshou)	3m 18s
tutorial-test (3.11, CustomEnvironment)	42s
tutorial-test (3.11, CleanRL)	7m 10s
tutorial-test (3.11, SB3/kaz)	4m 40s
tutorial-test (3.11, SB3/waterworld)	7m 55s
tutorial-test (3.11, SB3/test)	2m 1s
tutorial-test (3.12, Tianshou)	42s
tutorial-test (3.12, CustomEnvironment)	27s
tutorial-test (3.12, CleanRL)	18s
tutorial-test (3.12, SB3/kaz)	14s
tutorial-test (3.12, SB3/waterworld)	15s
tutorial-test (3.12, SB3/test)	22s
tutorial-test (3.13, Tianshou)	2m 24s
tutorial-test (3.13, CustomEnvironment)	35s
tutorial-test (3.13, CleanRL)	30s
tutorial-test (3.13, SB3/kaz)	3m 16s
tutorial-test (3.13, SB3/waterworld)	2m 30s
tutorial-test (3.13, SB3/test)	2m 26s
	2h 17m 19s

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