Update jackson monorepo to v2.21.4 (#524)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

type-alias-axon-serializer-integration-test/pom.xml

@@ -36,8 +36,8 @@
 		<!-- Optional dependencies for axon -->
 		<dom4j.version>2.2.0</dom4j.version>
 		<xom.version>1.2.10</xom.version>
-		<jackson.core.version>2.21.3</jackson.core.version>
-		<jackson.version>2.21.3</jackson.version>
+		<jackson.core.version>2.21.4</jackson.core.version>
+		<jackson.version>2.21.4</jackson.version>
 		<reactor.version>3.8.5</reactor.version>
 
 		<!-- Logging libraries -->