Refresh dev dependencies #122

Job	Run time
Refresh dev dependencies (stable-2.16, pip-compile/stable-2.16/dev, -e 'pip-compile(formatters)' ... / refresh	55s
Refresh dev dependencies (devel, pip-compile/devel/dev, -e 'pip-compile(formatters)' 'pip-compile... / refresh	45s
Refresh dev dependencies (stable-2.18, pip-compile/stable-2.18/dev, -e 'pip-compile(formatters)' ... / refresh	52s
Refresh dev dependencies (stable-2.17, pip-compile/stable-2.17/dev, -e 'pip-compile(formatters)' ... / refresh	56s
	3m 28s

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