Rename namespace path to `frequenz/client/common` #7

Job	Run time
Test documentation website generation	0s
Test documentation website generation	0s
Build distribution packages	27s
Build distribution packages	27s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_min)	7m 19s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_min)	7m 19s
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	50s
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	50s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_max)	7m 36s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_max)	7m 36s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	29s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	29s
Test package installation in different architectures	43s
Test package installation in different architectures	43s
Test with nox	1s
Test with nox	1s
Cross-arch tests with nox	1s
Cross-arch tests with nox	1s
Publish documentation website to GitHub pages	31s
Publish documentation website to GitHub pages	29s
Create GitHub release	0s
Create GitHub release	0s
Publish packages to PyPI	0s
Publish packages to PyPI	0s
	35m 52s

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