Update dependency all-contributors-cli to v6.20.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
all-contributors-cli	6.15.0 -> 6.20.0

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Release Notes

all-contributors/all-contributors-cli

v6.20.0

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Features

• add namespaced token (#​296) (a8227af), closes #​294

v6.19.0

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Features

• contribution-types: add research contribution type (#​291) (f9f2866), closes #​446 #​446

v6.18.0

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Features

• display a meaningful error when the config file is missing (#​288) (d517440), closes all-contributors/all-contributors#​378

v6.17.4

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Bug Fixes

• github: show the actual error message (#​286) (5c506a5)

v6.17.3

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Bug Fixes

• make all-contributors output prettier compliant. (#​283) (1affe41), closes #​441

v6.17.2

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Bug Fixes

• fixed thrown error message (#​280) (374d076), closes #​277

v6.17.1

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Bug Fixes

• replace markdownlint-enable with markdownlint-restore to restore (vs. enable all) previous rules (fixes #​276). (#​278) (8af13c3)

v6.17.0

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Features

• contribution-types: adds mentoring (#​274) (3bb4a03)

v6.16.1

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Performance Improvements

• add image size to avatar url to improve performance (#​269) (fc2d05e)

v6.16.0

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Features

• repo: github profile url should be valid (#​268) (b77f86b)

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[pvinis]

🚀 PR was released in v2.8.0 🚀