chore(deps-dev): bump @wordpress/block-editor from 12.3.0 to 12.8.0

Bumps [@wordpress/block-editor](https://github.com/WordPress/gutenberg/tree/HEAD/packages/block-editor) from 12.3.0 to 12.8.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/block-editor/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/block-editor@12.8.0/packages/block-editor)

---
updated-dependencies:
- dependency-name: "@wordpress/block-editor"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -37,7 +37,7 @@
     "@google/semantic-release-replace-plugin": "^1.2.0",
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
-    "@wordpress/block-editor": "^12.3.0",
+    "@wordpress/block-editor": "^12.8.0",
     "@wordpress/blocks": "^12.12.0",
     "@wordpress/data": "^9.5.0",
     "@wordpress/i18n": "^4.36.0",