Use parenthesis with single-arg lambdas

Use regular expression search/replace to ensure all single-arg
lambdas have parenthesis. This aligns with the style used in Spring
Boot and ensure that single-arg and multi-arg lambdas are consistent.

Issue gh-8945

samples/boot/helloworld/src/main/java/org/springframework/security/samples/config/SecurityConfig.java

@@ -35,11 +35,11 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
 	@Override
 	protected void configure(HttpSecurity http) throws Exception {
 		http
-				.authorizeRequests(authorize -> authorize
+				.authorizeRequests((authorize) -> authorize
 					.antMatchers("/css/**", "/index").permitAll()
 					.antMatchers("/user/**").hasRole("USER")
 				)
-				.formLogin(formLogin -> formLogin
+				.formLogin((formLogin) -> formLogin
 					.loginPage("/login")
 					.failureUrl("/login-error")
 				);