Update Spring Boot 2.4.3 Hello world

DemoHelloworld/demo/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.3.3.RELEASE</version>
+        <version>2.4.3</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.example</groupId>
@@ -13,11 +13,9 @@
     <version>0.0.1-SNAPSHOT</version>
     <name>demo</name>
     <description>Demo project for Spring Boot</description>
-
     <properties>
         <java.version>11</java.version>
     </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -30,26 +28,10 @@
             <scope>runtime</scope>
             <optional>true</optional>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-configuration-processor</artifactId>
-            <optional>true</optional>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <optional>true</optional>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.junit.vintage</groupId>
-                    <artifactId>junit-vintage-engine</artifactId>
-                </exclusion>
-            </exclusions>
         </dependency>
     </dependencies>