workspace_backup pre-commit requires dev dependencies

[manics]

workspace_backup/.pre-commit-config.yaml runs the tests

TREEHOOSE/src/components/workspace_backup/.pre-commit-config.yaml

Lines 75 to 83 in ec323b7

	- repo: local
	hooks:
	- id: code-coverage-check
	name: code-coverage-check
	entry: coverage run --source=./src -m pytest tests/
	language: system
	pass_filenames: false
	always_run: true
	verbose: true

but requirements-dev.txt was removed in d2f135c so they can't be run without installing the dependencies manually.