[Security] Bump y18n from 3.2.1 to 3.2.2

Fix ol on index

Update readme

rename master -> main

Update to new repo path

Bumps [y18n](https://github.com/yargs/y18n) from 3.2.1 to 3.2.2. **This update includes a security fix.**
- [Release notes](https://github.com/yargs/y18n/releases)
- [Changelog](https://github.com/yargs/y18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yargs/y18n/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

v0.3.3

2019 replaced by 2020 in line 94.

Add custom header and footer include files

Bump stylelint-config-primer from 9.0.0 to 9.2.1

Limit the effect of `nav_exclude` to the main navigation

Bump stylelint from 13.6.1 to 13.7.2

Bump @primer/css from 15.1.0 to 15.2.0

Bump prettier from 2.1.1 to 2.1.2

Update normalize.scss

Update code.scss

Fix list alignment

Bumps [stylelint-config-primer](https://github.com/primer/stylelint-config-primer) from 9.0.0 to 9.2.1.
- [Release notes](https://github.com/primer/stylelint-config-primer/releases)
- [Changelog](https://github.com/primer/stylelint-config-primer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/primer/stylelint-config-primer/compare/v9.0.0...v9.2.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>