feat(i18n): allow selecting message XML file via file browser

- Updated the I18n settings to allow selecting the message bundle XML file directly via a file browser (TextFieldWithBrowseButton).
- Modified I18nUtils to load message files via absolute paths from project settings, improving reliability.
- Bumped plugin version to 3.2.2 and updated change notes.

src/main/resources/META-INF/plugin.xml

@@ -34,6 +34,15 @@
     ]]></description>
 
     <change-notes><![CDATA[
+      <h2>[3.2.2]</h2>
+        <ul>
+          <li><strong>UI/UX Improvement:</strong> Updated the I18n settings to allow selecting the message bundle XML file directly via a file browser, improving configuration usability.</li>
+          <li><strong>Core Enhancement:</strong> Modified I18nUtils to load message files via absolute paths from project settings, increasing reliability across different project structures.</li>
+        </ul>
+      <h2>[3.2.1]</h2>
+        <ul>
+          <li><strong>Bug Fix:</strong> Resolved a <code>ConcurrentModificationException</code> in the I18n cache mechanism caused by concurrent background thread access.</li>
+        </ul>
       <h2>[3.2.0]</h2>
         <ul>
           <li><strong>Schema Validation:</strong> Introduced project-level automatic XSD registration. Configure a target folder and namespace prefix to seamlessly map <code>.xsd</code> files to the <code>ExternalResourceManager</code>.</li>