After running linkcheck on project links some were found to be permanently moved:

• README.rst: https://codecov.io/gh/{{cookiecutter.github_user}}/{{cookiecutter.project_name}} => https://app.codecov.io/gh/{{cookiecutter.github_user}}/{{cookiecutter.project_name}}
• CODE_OF_CONDUCT.rst: https://www.contributor-covenant.org/version/2/0/code_of_conduct.html => https://www.contributor-covenant.org/version/2/0/code_of_conduct/
• CODE_OF_CONDUCT.rst: https://github.com/mozilla/diversity => https://github.com/mozilla/inclusion