Merge branch '3.1.x' into 3.2.x

Closes gh-40440

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/DevToolsDataSourceAutoConfiguration.java

@@ -57,6 +57,7 @@ import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
  * @author Andy Wilkinson
  * @since 1.3.3
  */
+@ConditionalOnClass(DataSource.class)
 @Conditional({ OnEnabledDevToolsCondition.class, DevToolsDataSourceCondition.class })
 @AutoConfiguration(after = DataSourceAutoConfiguration.class)
 @Import(DatabaseShutdownExecutorEntityManagerFactoryDependsOnPostProcessor.class)