Changeset 58988

Editor: Update packages for 6.6.2 RC1.

Updates the versions from the ​released packages for the following bugfixes:

• ​Global Styles: Fix block custom CSS pseudo element selectors
• ​Featured Image Block: Reduce CSS specificity
• ​Fix bumped specificity for layout styles in non-iframed editor
• ​Don't allow duplicating template parts in non-block-based themes
• ​Data Views: Don't render action modal when there are no eligible items
• ​Fix canvas issues by removing VisualEditor’s height
• ​Post Editor: fix click space after post content to append
• ​Post Editor: Prevent popover from being hidden by metabox
• ​Post editor: apply space below content using a pseudo-element instead of padding-bottom
• ​Avoid errors for post types without a 'menu_icon'
• ​Update postcss-prefixwrap dependency to 1.51.0 to fix prefixing in :where selectors

Props vcanales.
Fixes #61982.
See #61704, #61769, #61829.