docs(testing): Fix docs for SimpleGraphQLClient #3078

Job	Run time
publish_install (ubuntu-latest, 18.x)	7m 1s
publish_install (ubuntu-latest, 20.x)	1m 15s
publish_install (ubuntu-latest, 22.x)	7m 8s
publish_install (windows-latest, 18.x)	16m 44s
publish_install (windows-latest, 20.x)	13m 23s
publish_install (windows-latest, 22.x)	16m 43s
publish_install (macos-latest, 18.x)	6m 51s
publish_install (macos-latest, 20.x)	7m 1s
publish_install (macos-latest, 22.x)	7m 20s
	1h 23m 26s

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