fix(deps): pin dependencies

This MR contains the following updates:

Package	Type	Update	Change
pre-commit	dev	pin	^3.6.2 -> 3.8.0
pytest-cov (changelog)	dev	pin	^4.1.0 -> 4.1.0
tox (changelog)	dev	pin	^4.14.2 -> 4.25.0

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

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