Update messages_it_IT.properties (#3086)

# 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

@@ -931,8 +931,8 @@ compress.title=Comprimi
 compress.header=Comprimi PDF
 compress.credit=Questo servizio utilizza qpdf per la compressione/ottimizzazione dei PDF.
 compress.grayscale.label=Applica scala di grigio per la compressione
-compress.selectText.1=Compression Settings
-compress.selectText.1.1=1-3 PDF compression,</br> 4-6 lite image compression,</br> 7-9 intense image compression Will dramatically reduce image quality
+compress.selectText.1=Impostazioni di compressione
+compress.selectText.1.1=1-3 Compressione PDF,</br> 4-6 Compressione immagine leggera,</br> 7-9 Compressione immagine intensa Ridurrà drasticamente la qualità dell'immagine
 compress.selectText.2=Livello di ottimizzazione:
 compress.selectText.4=Modalità automatica - Regola automaticamente la qualità per ottenere le dimensioni esatte del PDF
 compress.selectText.5=Dimensioni PDF previste (ad es. 25 MB, 10,8 MB, 25 KB)