#36 Make class package private and final bc not called/extended outside from package

Signed-off-by: Sven Strittmatter <sven.strittmatter@iteratec.com>

Author: Weltraumschaf

src/main/java/io/securecodebox/persistence/defectdojo/service/ImportScanService.java

@@ -35,7 +35,7 @@
 import java.nio.charset.StandardCharsets;
 import java.util.List;
 
-public class ImportScanService {
+final class ImportScanService {
 
     private final String defectDojoUrl;
     private final String defectDojoApiKey;