fix(deps): update dependency gremlinpython to v3.8.0 #316

Job	Run time
Test wheels building / Build source distribution	9s
Test wheels building / Prepare matrix to run for 3.13 on `linux,macos-x86,macos-arm,windows,linux-aarch64`	3s
Test wheels building / Build wheels for linux-aarch64 on ubuntu-24.04-arm	19m 3s
Test wheels building / Build wheels for linux on ubuntu-24.04	21m 12s
Test wheels building / Build wheels for macos-x86 on macos-15-intel	30m 23s
Test wheels building / Build wheels for windows on windows-2022	1h 2m 19s
Test wheels building / Build wheels for macos-arm on macos-14	19m 35s
Test wheels building / upload_pypi	-1s
	2h 32m 43s

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