Update messages_it_IT.properties (#3338)

# Description of Changes

Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

src/main/resources/messages_it_IT.properties

@@ -1415,7 +1415,7 @@ cookieBanner.preferencesModal.title=Gestore delle preferenze per il consenso
 cookieBanner.preferencesModal.acceptAllBtn=Accetta tutto
 cookieBanner.preferencesModal.acceptNecessaryBtn=Rifiuta tutto
 cookieBanner.preferencesModal.savePreferencesBtn=Salva preferenze
-cookieBanner.preferencesModal.closeIconLabel=Close modal
+cookieBanner.preferencesModal.closeIconLabel=Chiusura modale
 cookieBanner.preferencesModal.serviceCounterLabel=Servizio|Servizi
 cookieBanner.preferencesModal.subtitle=Utilizzo dei cookie
 cookieBanner.preferencesModal.description.1=Stirling PDF utilizza cookie e tecnologie simili per migliorare la tua esperienza e comprendere come vengono utilizzati i nostri strumenti. Questo ci aiuta a migliorare le prestazioni, a sviluppare le funzionalità che ti interessano e a fornire supporto continuo ai nostri utenti.