Update Spring (#83)

This PR updates 
- Spring Boot to 2.4.7
- Spring to 5.3.8

pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.5</version>
+        <version>2.4.7</version>
         <relativePath/>
     </parent>
 
@@ -40,12 +40,12 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <!-- dependencies -->
         <owasp.version>6.1.6</owasp.version>
-        <spring.boot.version>2.4.5</spring.boot.version>
-        <spring.test.version>5.3.7</spring.test.version>
+        <spring.boot.version>2.4.7</spring.boot.version>
+        <spring.test.version>5.3.8</spring.test.version>
         <spring.security.version>5.4.6</spring.security.version>
         <lombok.version>1.18.20</lombok.version>
         <liquibase.version>4.3.3</liquibase.version>
-        <springdoc.version>1.5.8</springdoc.version>
+        <springdoc.version>1.5.9</springdoc.version>
         <junit.version>5.7.1</junit.version>
         <mapstruct.version>1.4.2.Final</mapstruct.version>
         <mockito.version>3.9.0</mockito.version>