[Bug] Update repository copies of CODE_OF_CONDUCT.md and CONTRIBUTING.md

[TimidRobot]

Description

Many repositories have outdated versions of CODE_OF_CONDUCT.md and CONTRIBUTING.md

Reproduction

• Search · org:creativecommons creativecommons.github.io/community/
• Search · org:creativecommons master/content/community

Expectation

• Copied files should be kept up-to-date

Additional context

• GitHub Repo Guidelines — Creative Commons Open Source

[flwajaber]

Contributor

hh