Improve formatting of Kotlin permitAll example

See gh-35454

Author: JunJaBoy

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/actuator/endpoints/security/exposeall/MySecurityConfiguration.kt

@@ -27,8 +27,9 @@ class MySecurityConfiguration {
 
 	@Bean
 	fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
-		http.requestMatcher(EndpointRequest.toAnyEndpoint()).authorizeRequests {
-				requests -> requests.anyRequest().permitAll() }
+		http.requestMatcher(EndpointRequest.toAnyEndpoint()).authorizeRequests { requests ->
+			requests.anyRequest().permitAll()
+		}
 		return http.build()
 	}