deps: update dependency com.fasterxml.jackson.core:jackson-databind to v2.21.3 (GoogleCloudPlatform#4394)

Author: renovate-bot

samples/java/hibernate/pom.xml

@@ -69,7 +69,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.21.2</version>
+      <version>2.21.3</version>
     </dependency>
 
     <!-- NOTE: This dependency is deliberately not defined with scope <test>, as that breaks the use of testcontainers in the sample application. -->