Modify graphrag prompt #231

Job	Run time
test (ubuntu-latest, cli-ingestion)	1s
test (ubuntu-latest, cli-retrieval)	1s
test (ubuntu-latest, cli-graphrag)	1s
test (ubuntu-latest, sdk-ingestion)	1s
test (ubuntu-latest, sdk-retrieval)	1s
test (ubuntu-latest, sdk-auth)	1s
test (ubuntu-latest, sdk-collections)	1s
test (ubuntu-latest, sdk-graphrag)	1s
test (windows-latest, cli-ingestion)	13m 51s
test (windows-latest, cli-retrieval)	13m 48s
test (windows-latest, cli-graphrag)	13m 36s
test (windows-latest, sdk-ingestion)	9m 43s
test (windows-latest, sdk-retrieval)	10m 21s
test (windows-latest, sdk-auth)	13m 52s
test (windows-latest, sdk-collections)	11m 32s
test (windows-latest, sdk-graphrag)	10m 49s
test (macos-latest, cli-ingestion)	2m 32s
test (macos-latest, cli-retrieval)	2m 15s
test (macos-latest, cli-graphrag)	2m 55s
test (macos-latest, sdk-ingestion)	4m 0s
test (macos-latest, sdk-retrieval)	3m 32s
test (macos-latest, sdk-auth)	3m 15s
test (macos-latest, sdk-collections)	5m 40s
test (macos-latest, sdk-graphrag)	3m 51s
	2h 5m 40s

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