Modify graphrag prompt #230

Job	Run time
test (ubuntu-latest, cli-ingestion)	2m 41s
test (ubuntu-latest, cli-retrieval)	1m 54s
test (ubuntu-latest, cli-graphrag)	2m 43s
test (ubuntu-latest, sdk-ingestion)	1s
test (ubuntu-latest, sdk-retrieval)	1s
test (ubuntu-latest, sdk-auth)	1s
test (ubuntu-latest, sdk-collections)	2m 40s
test (ubuntu-latest, sdk-graphrag)	1s
test (windows-latest, cli-ingestion)	12m 19s
test (windows-latest, cli-retrieval)	12m 17s
test (windows-latest, cli-graphrag)	12m 23s
test (windows-latest, sdk-ingestion)	9m 59s
test (windows-latest, sdk-retrieval)	5m 50s
test (windows-latest, sdk-auth)	11m 45s
test (windows-latest, sdk-collections)	11m 54s
test (windows-latest, sdk-graphrag)	10m 30s
test (macos-latest, cli-ingestion)	2m 22s
test (macos-latest, cli-retrieval)	2m 17s
test (macos-latest, cli-graphrag)	3m 6s
test (macos-latest, sdk-ingestion)	4m 2s
test (macos-latest, sdk-retrieval)	3m 56s
test (macos-latest, sdk-auth)	3m 42s
test (macos-latest, sdk-collections)	8m 1s
test (macos-latest, sdk-graphrag)	3m 45s
	2h 8m 10s

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