Update sonarqube.yml and removal of gradle keys (#2866)

# 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/java/stirling/software/SPDF/controller/api/AdditionalLanguageJsController.java

@@ -32,7 +32,10 @@ public class AdditionalLanguageJsController {
         response.setContentType("application/javascript");
         PrintWriter writer = response.getWriter();
         // Erstelle das JavaScript dynamisch
-        writer.println("const supportedLanguages = " + toJsonArray(new ArrayList<>(supportedLanguages)) + ";");
+        writer.println(
+                "const supportedLanguages = "
+                        + toJsonArray(new ArrayList<>(supportedLanguages))
+                        + ";");
         // Generiere die `getDetailedLanguageCode`-Funktion
         writer.println(
                 """

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertHtmlToPDF.java

@@ -13,8 +13,8 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
-import stirling.software.SPDF.model.api.converters.HTMLToPdfRequest;
 import stirling.software.SPDF.model.ApplicationProperties;
+import stirling.software.SPDF.model.api.converters.HTMLToPdfRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;
@@ -28,16 +28,16 @@ public class ConvertHtmlToPDF {
 
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
-	private final ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
     @Autowired
     public ConvertHtmlToPDF(
             CustomPDDocumentFactory pdfDocumentFactory,
             @Qualifier("bookAndHtmlFormatsInstalled") boolean bookAndHtmlFormatsInstalled,
-			ApplicationProperties applicationProperties) {
+            ApplicationProperties applicationProperties) {
         this.pdfDocumentFactory = pdfDocumentFactory;
         this.bookAndHtmlFormatsInstalled = bookAndHtmlFormatsInstalled;
-		this.applicationProperties = applicationProperties;
+        this.applicationProperties = applicationProperties;
     }
 
     @PostMapping(consumes = "multipart/form-data", value = "/html/pdf")
@@ -60,7 +60,8 @@ public class ConvertHtmlToPDF {
             throw new IllegalArgumentException("File must be either .html or .zip format.");
         }
 
-		boolean disableSanitize = Boolean.TRUE.equals(applicationProperties.getSystem().getDisableSanitize());
+        boolean disableSanitize =
+                Boolean.TRUE.equals(applicationProperties.getSystem().getDisableSanitize());
 
         byte[] pdfBytes =
                 FileToPdf.convertHtmlToPdf(
@@ -68,7 +69,7 @@ public class ConvertHtmlToPDF {
                         fileInput.getBytes(),
                         originalFilename,
                         bookAndHtmlFormatsInstalled,
-						disableSanitize);
+                        disableSanitize);
 
         pdfBytes = pdfDocumentFactory.createNewBytesBasedOnOldDocument(pdfBytes);
 

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertMarkdownToPdf.java

@@ -23,8 +23,8 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
-import stirling.software.SPDF.model.api.GeneralFile;
 import stirling.software.SPDF.model.ApplicationProperties;
+import stirling.software.SPDF.model.api.GeneralFile;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;
@@ -38,16 +38,16 @@ public class ConvertMarkdownToPdf {
 
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
-	private final ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
     @Autowired
     public ConvertMarkdownToPdf(
             CustomPDDocumentFactory pdfDocumentFactory,
             @Qualifier("bookAndHtmlFormatsInstalled") boolean bookAndHtmlFormatsInstalled,
-			ApplicationProperties applicationProperties) {
+            ApplicationProperties applicationProperties) {
         this.pdfDocumentFactory = pdfDocumentFactory;
         this.bookAndHtmlFormatsInstalled = bookAndHtmlFormatsInstalled;
-		this.applicationProperties = applicationProperties;
+        this.applicationProperties = applicationProperties;
     }
 
     @PostMapping(consumes = "multipart/form-data", value = "/markdown/pdf")
@@ -81,7 +81,8 @@ public class ConvertMarkdownToPdf {
 
         String htmlContent = renderer.render(document);
 
-		boolean disableSanitize = Boolean.TRUE.equals(applicationProperties.getSystem().getDisableSanitize());
+        boolean disableSanitize =
+                Boolean.TRUE.equals(applicationProperties.getSystem().getDisableSanitize());
 
         byte[] pdfBytes =
                 FileToPdf.convertHtmlToPdf(
@@ -89,7 +90,7 @@ public class ConvertMarkdownToPdf {
                         htmlContent.getBytes(),
                         "converted.html",
                         bookAndHtmlFormatsInstalled,
-						disableSanitize);
+                        disableSanitize);
         pdfBytes = pdfDocumentFactory.createNewBytesBasedOnOldDocument(pdfBytes);
         String outputFilename =
                 originalFilename.replaceFirst("[.][^.]+$", "")