Add jackson annotations dependency

Author: testower

gbfs-validator-java-api/pom.xml

@@ -66,6 +66,13 @@
             <version>1.3.2</version>
         </dependency>
 
+        <!-- Add Jackson annotations dependency -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>2.16.1</version>
+        </dependency>
+
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>servlet-api</artifactId>