Restore: Sync Gutenberg @ 9b8144036fa5faf75de43d4502ff9809fcf689ad

See changelog in b80140a

> Editor: Bump pinned hash for the Gutenberg repository.
> This updates the pinned hash from the `gutenberg` from `7b7fa2bc97a8029a302bd6511cf0d206b5953172` to `9b8144036fa5faf75de43d4502ff9809fcf689ad`.
>
> The following changes are included:

Author: desrosj

src/wp-includes/assets/script-loader-packages.min.php

@@ -809,7 +809,7 @@
       'wp-hooks',
       'wp-private-apis'
     ),
-    'version' => 'a5e466ecaa7d3773e376'
+    'version' => '520093735c1b81307ab4'
   ),
   'theme.min.js' => array(
     'dependencies' => array(

src/wp-includes/assets/script-modules-packages.min.php

@@ -298,7 +298,7 @@
     'dependencies' => array(
 
     ),
-    'version' => '4064876f4a80da877c25'
+    'version' => 'a742676bcc8809271cc6'
   ),
   'workflow/index.min.js' => array(
     'dependencies' => array(