fix #48 #47: Remove paragraph & Update version

- docs: Remove paragraph about WebSecurityConfigurerAdapter
- version: Update Spring Boot to the latest version (3.1.0 -> 3.1.4)

README.adoc

@@ -128,8 +128,6 @@ include::complete/src/main/java/com/example/authenticatingldap/WebSecurityConfig
 ----
 ====
 
-To customize the security settings you use a `WebSecurityConfigurer`. In the above example this is
-done by overriding the methods of `WebSecurityConfigurerAdapter` which implements the `WebSecurityConfigurer` interface.
 
 You also need an LDAP server. Spring Boot provides auto-configuration for an embedded
 server written in pure Java, which is being used for this guide. The

complete/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '3.1.0'
+	id 'org.springframework.boot' version '3.1.4'
 	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }

complete/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.1.0</version>
+		<version>3.1.4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>

initial/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '3.1.0'
+	id 'org.springframework.boot' version '3.1.4'
 	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }

initial/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.1.0</version>
+		<version>3.1.4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>