Bump `frequenz-client-microgrid` to 0.5.1 (#1068) #4097

Job	Run time
Build distribution packages	17s
Test documentation website generation	0s
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	3m 26s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_min)	18m 11s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	2m 8s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_max)	17m 52s
Test with nox (ubuntu-20.04, 3.12, ci_checks_max)	3m 59s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.12, pytest_min)	14m 17s
Test with nox (ubuntu-20.04, 3.12, pytest_min)	2m 13s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.12, pytest_max)	14m 45s
Test package installation in different architectures (ubuntu-20.04, 3.11)	2m 36s
Test package installation in different architectures (ubuntu-20.04, 3.12)	2m 33s
Test with nox	1s
Test package installation in different architectures	1s
Cross-arch tests with nox	1s
Publish documentation website to GitHub pages	41s
Create GitHub release	0s
Publish packages to PyPI	0s
	1h 23m 1s

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