Update messages_it_IT.properties (#3857)

# 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.

stirling-pdf/src/main/resources/messages_it_IT.properties

@@ -525,9 +525,9 @@ home.addImage.title=Aggiungi Immagine
 home.addImage.desc=Aggiungi un'immagine in un punto specifico del PDF (Lavori in corso)
 addImage.tags=img,jpg,immagine,foto
 
-home.attachments.title=Add Attachments
-home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
-attachments.tags=embed,attach,file,attachment,attachments
+home.attachments.title=Aggiungi allegati
+home.attachments.desc=Aggiungere o rimuovere file incorporati (allegati) da/a un PDF
+attachments.tags=incorporare,allegare,file,allegato,allegati
 
 home.watermark.title=Aggiungi Filigrana
 home.watermark.desc=Aggiungi una filigrana al tuo PDF.
@@ -1203,18 +1203,18 @@ compress.submit=Comprimi
 
 
 #Add image
-addImage.title=Aggiungi Immagine
+addImage.title=Aggiungere Immagine
 addImage.header=Aggiungi un'immagine ad un PDF
 addImage.everyPage=Ogni pagina?
 addImage.upload=Aggiungi immagine
 addImage.submit=Aggiungi immagine
 
 #attachments
-attachments.title=Add Attachments
-attachments.header=Add attachments
-attachments.description=Allows you to add attachments to the PDF
-attachments.descriptionPlaceholder=Enter a description for the attachments...
-attachments.addButton=Add Attachments
+attachments.title=Aggiungere allegati
+attachments.header=Aggiungi allegati
+attachments.description=Consente di aggiungere allegati al PDF
+attachments.descriptionPlaceholder=Inserisci una descrizione per gli allegati...
+attachments.addButton=Aggiungi allegati
 
 #merge
 merge.title=Unisci
@@ -1604,7 +1604,7 @@ fileChooser.dragAndDropPDF=Trascina & rilascia il file PDF
 fileChooser.dragAndDropImage=Trascina & rilascia il file immagine
 fileChooser.hoveredDragAndDrop=Trascina & rilascia i file qui
 fileChooser.extractPDF=Estraendo...
-fileChooser.addAttachments=drag & drop attachments here
+fileChooser.addAttachments=trascina & rilascia gli allegati qui
 
 #release notes
 releases.footer=Rilasci