feat: GutenbergKit internationalization (#24515)

* feat: Provide GutenbergKit current locale

Enable localization within the editor.

* build: Update GutenbergKit version

* build: Update GutenbergKit version

* build: Update GutenbergKit version

* build: Update GutenbergKit version

* build: Update GutenbergKit version

* build: Update GutenbergKit version

* build: Update GutenbergKit version

Author: dcalhoun

Modules/Package.resolved

@@ -55,7 +55,7 @@ let package = Package(
         .package(url: "https://github.com/zendesk/support_sdk_ios", from: "8.0.3"),
         // We can't use wordpress-rs branches nor commits here. Only tags work.
         .package(url: "https://github.com/Automattic/wordpress-rs", revision: "alpha-20250505"),
-        .package(url: "https://github.com/wordpress-mobile/GutenbergKit", from: "0.2.0"),
+        .package(url: "https://github.com/wordpress-mobile/GutenbergKit", revision: "fdfe788530bbff864ce7147b5a68608d7025e078"),
         .package(
             url: "https://github.com/Automattic/color-studio",
             revision: "bf141adc75e2769eb469a3e095bdc93dc30be8de"

Modules/Package.swift

@@ -167,6 +167,7 @@ class NewGutenbergViewController: UIViewController, PostEditor, PublishingEditor
         conf.themeStyles = FeatureFlag.newGutenbergThemeStyles.enabled
         // Limited to Simple sites until application password auth is supported
         conf.plugins = RemoteFeatureFlag.newGutenbergPlugins.enabled() && post.blog.isHostedAtWPcom
+        conf.locale = WordPressComLanguageDatabase().deviceLanguage.slug
 
         if !post.blog.isSelfHosted {
             let siteType: String = post.blog.isHostedAtWPcom ? "simple" : "atomic"