Update frequenz-client-base requirement from <0.9.0,>=0.8.0 to >=0.8.… #482

Job	Run time
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	37s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_min)	8m 18s
Build distribution packages	13s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	29s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_max)	8m 28s
Test documentation website generation	0s
Test package installation in different architectures	1m 56s
Test with nox	0s
Cross-arch tests with nox	1s
Publish documentation website to GitHub pages	0s
Create GitHub release	0s
Publish packages to PyPI	0s
	20m 2s

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