Block Editor: Update @wordpress package dependencies.

Updates the following packages:

block-library, block-serialization-default-parser, block-serialization-spec-parser, blocks, edit-post, editor, format-library.

Merges [43955] to trunk.

Props youknowriad.

Fixes #45145.
Built from https://develop.svn.wordpress.org/trunk@44281


git-svn-id: https://core.svn.wordpress.org/trunk@44111 1a063a9b-81f0-0310-95a4-ce76da25c4cd