deps: update dependency org.springframework.boot:spring-boot-starter-data-jdbc to v3.2.4 (googleapis#1540)

Author: renovate-bot

java-spanner-jdbc/samples/spring-data-jdbc/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-data-jdbc</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
     </dependency>
 
     <!-- Add both the Cloud Spanner and the PostgreSQL JDBC driver. -->