(1) Move `add_breadcrumb` and session function from Hub to Scope #3674

Job	Run time
opentelemetry pinned, python 3.7, ubuntu-20.04	42s
opentelemetry pinned, python 3.8, ubuntu-20.04	39s
opentelemetry pinned, python 3.9, ubuntu-20.04	40s
opentelemetry pinned, python 3.10, ubuntu-20.04	38s
opentelemetry pinned, python 3.11, ubuntu-20.04	37s
opentelemetry pinned, python 3.12, ubuntu-20.04	55s
All opentelemetry tests passed or skipped	1s
	4m 12s

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