Add compatibility with pytest version 8 #1034

Job	Run time
tutorial-test (3.8, Tianshou)	3m 19s
tutorial-test (3.8, CustomEnvironment)	29s
tutorial-test (3.8, CleanRL)	6m 1s
tutorial-test (3.8, SB3/kaz)	7m 52s
tutorial-test (3.8, SB3/waterworld)	12m 23s
tutorial-test (3.8, SB3/connect_four)	7m 6s
tutorial-test (3.8, SB3/test)	2m 12s
tutorial-test (3.8, AgileRL)	10m 53s
tutorial-test (3.9, Tianshou)	3m 15s
tutorial-test (3.9, CustomEnvironment)	33s
tutorial-test (3.9, CleanRL)	5m 39s
tutorial-test (3.9, SB3/kaz)	4m 55s
tutorial-test (3.9, SB3/waterworld)	7m 51s
tutorial-test (3.9, SB3/connect_four)	3m 20s
tutorial-test (3.9, SB3/test)	2m 25s
tutorial-test (3.9, AgileRL)	10m 34s
tutorial-test (3.10, Tianshou)	3m 13s
tutorial-test (3.10, CustomEnvironment)	41s
tutorial-test (3.10, CleanRL)	7m 11s
tutorial-test (3.10, SB3/kaz)	4m 50s
tutorial-test (3.10, SB3/waterworld)	7m 57s
tutorial-test (3.10, SB3/connect_four)	2m 53s
tutorial-test (3.10, SB3/test)	3m 52s
tutorial-test (3.10, AgileRL)	11m 11s
tutorial-test (3.11, Tianshou)	4m 28s
tutorial-test (3.11, CustomEnvironment)	26s
tutorial-test (3.11, CleanRL)	7m 4s
tutorial-test (3.11, SB3/kaz)	4m 40s
tutorial-test (3.11, SB3/waterworld)	13m 19s
tutorial-test (3.11, SB3/connect_four)	2m 44s
tutorial-test (3.11, SB3/test)	2m 16s
tutorial-test (3.11, AgileRL)	11m 29s
	2h 57m 1s

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