MongoDB agent fixes #10282

Job	Run time
Python 3.8 extended tests	1m 54s
test with unpublished langchain - Python 3.8	34s
Python 3.9 extended tests	2m 1s
test with unpublished langchain - Python 3.9	29s
Python 3.10 extended tests	2m 4s
Python 3.11 extended tests	1m 56s
test with unpublished langchain - Python 3.10	26s
test with unpublished langchain - Python 3.11	27s
compile-integration-tests / Python 3.8	35s
compile-integration-tests / Python 3.9	33s
compile-integration-tests / Python 3.10	44s
compile-integration-tests / Python 3.11	35s
lint / build (3.8)	57s
test / Python 3.8	27s
lint / build (3.11)	17s
test / Python 3.9	16s
test / Python 3.10	17s
test / Python 3.11	59s
	15m 31s

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