Merge pull request #187 from lcxw/main

fix: 与spring-data-jpa混用时候，提醒`No bean named 'transactionManager' avail…

mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/FlexTransactionAutoConfiguration.java

@@ -46,7 +46,7 @@ public class FlexTransactionAutoConfiguration implements TransactionManagementCo
      */
     private final FlexTransactionManager flexTransactionManager = new FlexTransactionManager();
 
-    @Bean
+    @Bean(name = "transactionManager")
     @Override
     public PlatformTransactionManager annotationDrivenTransactionManager() {
         return flexTransactionManager;