Update boto3 requirement from <1.33.8,>=1.26.0 to >=1.26.0,<1.35.21 #1118

Job	Run time
prepare	5s
tests (avalanche-er.json) / run	5m 52s
tests (avalanche-lwf.json) / run	6m 16s
tests (avalanche-ewc.json) / run	6m 32s
tests (avalanche-icarl.json) / run	3m 45s
tests (cls-er.json) / run	4m 3s
tests (der.json) / run	5m 40s
tests (er.json) / run	5m 9s
tests (fine-tuning.json) / run	6m 20s
tests (gdumb.json) / run	3m 50s
tests (joint.json) / run	4m 23s
tests (offline-er.json) / run	5m 56s
tests (pod-er.json) / run	7m 44s
tests (super-er.json) / run	4m 49s
	1h 10m 24s

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