bump test timeout due to stricter concurrency limits #188

Job	Run time
test (ubuntu-latest, cli-ingestion)	2m 13s
test (ubuntu-latest, cli-retrieval)	2m 10s
test (ubuntu-latest, cli-graphrag)	7m 25s
test (ubuntu-latest, sdk-ingestion)	4m 23s
test (ubuntu-latest, sdk-retrieval)	3m 35s
test (ubuntu-latest, sdk-auth)	3m 40s
test (ubuntu-latest, sdk-collections)	6m 34s
test (ubuntu-latest, sdk-graphrag)	7m 10s
test (windows-latest, cli-ingestion)	9m 42s
test (windows-latest, cli-retrieval)	7m 48s
test (windows-latest, cli-graphrag)	9m 57s
test (windows-latest, sdk-ingestion)	7m 39s
test (windows-latest, sdk-retrieval)	7m 34s
test (windows-latest, sdk-auth)	7m 41s
test (windows-latest, sdk-collections)	7m 42s
test (windows-latest, sdk-graphrag)	7m 42s
test (macos-latest, cli-ingestion)	2m 54s
test (macos-latest, cli-retrieval)	2m 24s
test (macos-latest, cli-graphrag)	7m 20s
test (macos-latest, sdk-ingestion)	3m 53s
test (macos-latest, sdk-retrieval)	3m 27s
test (macos-latest, sdk-auth)	3m 21s
test (macos-latest, sdk-collections)	4m 19s
test (macos-latest, sdk-graphrag)	4m 3s
	2h 14m 36s

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