chore(deps): update jetty monorepo

Author: renovate[bot]

gbfs-validator-java-api/pom.xml

@@ -189,15 +189,15 @@
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-servlet</artifactId>
-            <version>9.4.53.v20231009</version>
+            <version>11.0.26</version>
             <scope>test</scope>
         </dependency>
 
         <!-- Jetty util dependency required by Spring Boot Test -->
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-util</artifactId>
-            <version>9.4.53.v20231009</version>
+            <version>12.1.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>