Lint

Add repository-level vulnerability summary to vulnerabilities command #190

Job	Run time
Check for Python upgrades (pyupgrade)	27s
Check for typos (typos)	5s
Check code formatting (black)	32s
Check import sorting (isort)	26s
Run comprehensive linting (pylint)	38s
Check code style (flake8)	27s
	2m 35s

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