Format Lambda Expressions

This commit updats lambda expressions so that
their variable is surrounded in parentheses.

Issue gh-13067

docs/src/test/java/org/springframework/security/docs/reactive/authentication/reactivex509/CustomX509Configuration.java

@@ -59,11 +59,11 @@ public class CustomX509Configuration {
 
 		// @formatter:off
 		http
-			.x509(x509 -> x509
+			.x509((x509) -> x509
 				.principalExtractor(principalExtractor)
 				.authenticationManager(authenticationManager)
 			)
-			.authorizeExchange(exchanges -> exchanges
+			.authorizeExchange((exchanges) -> exchanges
 				.anyExchange().authenticated()
 			);
 		// @formatter:on

docs/src/test/java/org/springframework/security/docs/reactive/authentication/reactivex509/DefaultX509Configuration.java

@@ -44,7 +44,7 @@ public class DefaultX509Configuration {
 		// @formatter:off
 		http
 			.x509(Customizer.withDefaults())
-			.authorizeExchange(exchanges -> exchanges
+			.authorizeExchange((exchanges) -> exchanges
 				.anyExchange().authenticated()
 			);
 		// @formatter:on

docs/src/test/java/org/springframework/security/docs/servlet/authentication/servletx509config/DefaultX509Configuration.java

@@ -44,7 +44,7 @@ public class DefaultX509Configuration {
 		// @formatter:off
 		http
 			.x509(Customizer.withDefaults())
-			.authorizeHttpRequests(exchanges -> exchanges
+			.authorizeHttpRequests((exchanges) -> exchanges
 				.anyRequest().authenticated()
 			);
 		// @formatter:on