#36 Use format string to avoid accidentally string concat errors

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

Author: Weltraumschaf

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

@@ -56,7 +56,7 @@ public ImportScanService(final @NonNull DefectDojoConfig config) {
      */
     private HttpHeaders createDefectDojoAuthorizationHeaders() {
         final var authorizationHeader = new HttpHeaders();
-        authorizationHeader.set(HttpHeaders.AUTHORIZATION, "Token " + defectDojoApiKey);
+        authorizationHeader.set(HttpHeaders.AUTHORIZATION, String.format("Token %s", defectDojoApiKey));
         return authorizationHeader;
     }