fix ScyllaCloudConfigTests for python 3.12 #1176

Job	Run time
Build source distribution	10s
Build wheels ubuntu-20.04 (x86_64)	19m 25s
Build wheels ubuntu-20.04 (PyPy)	1m 3s
Build extra arch aarch64 wheels	1h 54m 59s
Build wheels windows-latest (win64)	22m 46s
Build wheels windows-latest (PyPy)	4m 56s
Build wheels macos-latest (all)	18m 20s
Build wheels macos-13 (all)	27m 22s
Build wheels macos-latest (PyPy)	59s
upload_pypi	0s
	3h 30m 0s

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