Downgrade to javalin 4.6.7

Author: bonigarcia

pom.xml

@@ -15,7 +15,7 @@
         <httpclient5.version>5.2.1</httpclient5.version>
 
         <!-- provided -->
-        <javalin.version>5.3.1</javalin.version>
+        <javalin.version>4.6.7</javalin.version>
         <selenium.version>4.7.2</selenium.version>
 
         <!-- test -->