chore(deps): update dependency cz-conventional-changelog to v3 (development)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cz-conventional-changelog	devDependencies	major	^2.1.0 -> ^3.0.0

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Release Notes

commitizen/cz-conventional-changelog

v3.0.2

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Bug Fixes

• config-loader: captured the direct dependency on commitizen for the use of the config loader (#​90) (4b23bbc), closes #​89

v3.0.1

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Bug Fixes

• update longest to ^2 (#​88) (7234529)

v3.0.0

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Bug Fixes

• remove pre-node 10 support (#​86) (76588ad)

Features

• add default values to options (#​69) (65d6a9f)
• implement configuration through package.json (#​75) (3398c02)

BREAKING CHANGES

• Node 10 is LTS so please upgrade to it.

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