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/javaconfig/preauth/src/main/java/org/springframework/security/samples/config/SecurityConfig.java

@@ -27,12 +27,12 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
 	@Override
 	protected void configure(HttpSecurity http) throws Exception {
 		http
-			.authorizeRequests(authorizeRequests ->
+			.authorizeRequests((authorizeRequests) -> 
 				authorizeRequests
 					.antMatchers("/login", "/resources/**").permitAll()
 					.anyRequest().authenticated()
 			)
-			.jee(jee ->
+			.jee((jee) -> 
 				jee
 					.mappableRoles("USER", "ADMIN")
 			);