v5.1.3
Clean up lint rules (#30721)
Rename "master" to "main". (#31050)
rollup: specify `generatedCode: 'es2015'` (#35070)
Improve change-version.js (#33148)
Bump copyright year to 2021 (#32713)
Move rtlcss to postcss.config.js
Update svgo.yml. (#29089)
Bump vnu-jar from 21.6.11 to 21.9.2 (#34874)
Rename _gh_pages to _site. (#33129)