deps: update dependency org.springframework.boot:spring-boot-starter-parent to v4

Author: renovate-bot

samples/spring-data-mybatis/googlesql/pom.xml

@@ -13,7 +13,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.7</version>
+    <version>4.0.0</version>
     <relativePath/>
   </parent>
   <properties>

samples/spring-data-mybatis/postgresql/pom.xml

@@ -13,7 +13,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.7</version>
+    <version>4.0.0</version>
     <relativePath/>
   </parent>
   <properties>