Cleans old JS, CSS and Webpack files from /src so they are not automatically copied to /build when running `grunt build`. Fixes errors that may be caused by copying outdated files and/or directories to /build.
Props: desrosj, isabel_brison, SergeyBiryukov, ironprogrammer, mukesh27, robinwpdeveloper, razthee007, costdev, peterwilsoncc, azaozz.
Fixes: #47749.
Built from https://develop.svn.wordpress.org/trunk@55484
git-svn-id: http://core.svn.wordpress.org/trunk@55017 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This brings a new version of the Gutenberg code from the [https://github.com/WordPress/gutenberg/tree/wp/6.0 wp/6.0 branch] into core.
The following packages were updated:
* `@wordpress/block-directory` to `3.4.12`
* `@wordpress/block-editor` to `8.5.9`
* `@wordpress/block-library` to `7.3.12`
* `@wordpress/components` to `19.8.5`
* `@wordpress/customize-widgets` to `3.3.12`
* `@wordpress/edit-post` to `6.3.12`
* `@wordpress/edit-site` to `4.3.12`
* `@wordpress/edit-widgets` to `4.3.12`
* `@wordpress/editor` to `12.5.9`
* `@wordpress/format-library` to `3.4.9`
* `@wordpress/icons` to `8.2.3`
* `@wordpress/interface` to `4.5.6`
* `@wordpress/list-reusable-blocks` to `3.4.5`
* `@wordpress/nux` to `5.4.5`
* `@wordpress/plugins` to `4.4.3`
* `@wordpress/preferences` to `1.2.5`
* `@wordpress/reusable-blocks` to `3.4.9`
* `@wordpress/server-side-render` to `3.4.6`
* `@wordpress/widgets` to `2.4.9`
Props zieladam.
See #56058.
Built from https://develop.svn.wordpress.org/trunk@53644
git-svn-id: http://core.svn.wordpress.org/trunk@53203 1a063a9b-81f0-0310-95a4-ce76da25c4cd
