Upgrade Jackson and remove unnecessary transitive override

pom.xml

@@ -110,7 +110,7 @@
 
         <!-- dependency versions in alphanumeric order -->
         <asm.version>9.5</asm.version>
-        <jackson.version>2.15.2</jackson.version>
+        <jackson.version>2.15.3</jackson.version>
         <log4j2.version>2.20.0</log4j2.version>
         <ognl.version>3.3.4</ognl.version>
         <slf4j.version>2.0.7</slf4j.version>
@@ -1102,14 +1102,6 @@
                 <version>${jackson.version}</version>
             </dependency>
 
-            <!-- FIXME: Workaround for jackson-dataformat-xml issue #340 of forgetting to update stax2-api  -->
-            <!-- https://github.com/FasterXML/jackson-dataformat-xml/issues/340 -->
-            <dependency>
-                <groupId>org.codehaus.woodstox</groupId>
-                <artifactId>stax2-api</artifactId>
-                <version>4.2.1</version>
-            </dependency>
-
             <dependency>
                 <groupId>org.apache.juneau</groupId>
                 <artifactId>juneau-marshall</artifactId>