Update messages_de_DE.properties (#2745)

# 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

- [x] 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)
- [x] I have performed a self-review of my own code
- [x] 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_de_DE.properties

@@ -452,9 +452,9 @@ home.MarkdownToPDF.title=Markdown zu PDF
 home.MarkdownToPDF.desc=Konvertiert jede Markdown-Datei zu PDF
 MarkdownToPDF.tags=markup,web-content,transformation,konvertieren
 
-home.PDFToMarkdown.title=PDF to Markdown
-home.PDFToMarkdown.desc=Converts any PDF to Markdown
-PDFToMarkdown.tags=markup,web-content,transformation,convert,md
+home.PDFToMarkdown.title=PDF zu Markdown
+home.PDFToMarkdown.desc=Konvertiert jedes PDF in Markdown
+PDFToMarkdown.tags=markup,web inhalt,transformation,konvertieren,md
 
 home.getPdfInfo.title=Alle Informationen anzeigen
 home.getPdfInfo.desc=Erfasst alle möglichen Informationen in einer PDF
@@ -650,9 +650,9 @@ MarkdownToPDF.credit=Verwendet WeasyPrint
 
 
 #pdf-to-markdown
-PDFToMarkdown.title=PDF To Markdown
-PDFToMarkdown.header=PDF To Markdown
-PDFToMarkdown.submit=Convert
+PDFToMarkdown.title=PDF zu Markdown
+PDFToMarkdown.header=PDF zu Markdown
+PDFToMarkdown.submit=Konvertieren
 
 
 #url-to-pdf