Apply code cleanup rules to projects

Apply automated cleanup rules to add `@Override` and `@Deprecated`
annotations and to fix class references used with static methods.

Issue gh-8945

test/src/main/java/org/springframework/security/test/context/support/WithAnonymousUserSecurityContextFactory.java

@@ -34,6 +34,7 @@ import org.springframework.security.core.context.SecurityContextHolder;
  */
 final class WithAnonymousUserSecurityContextFactory implements WithSecurityContextFactory<WithAnonymousUser> {
 
+	@Override
 	public SecurityContext createSecurityContext(WithAnonymousUser withUser) {
 		List<GrantedAuthority> authorities = AuthorityUtils.createAuthorityList("ROLE_ANONYMOUS");
 		Authentication authentication = new AnonymousAuthenticationToken("key", "anonymous", authorities);

test/src/main/java/org/springframework/security/test/context/support/WithMockUserSecurityContextFactory.java

@@ -37,6 +37,7 @@ import org.springframework.util.StringUtils;
  */
 final class WithMockUserSecurityContextFactory implements WithSecurityContextFactory<WithMockUser> {
 
+	@Override
 	public SecurityContext createSecurityContext(WithMockUser withUser) {
 		String username = StringUtils.hasLength(withUser.username()) ? withUser.username() : withUser.value();
 		if (username == null) {

test/src/main/java/org/springframework/security/test/context/support/WithUserDetailsSecurityContextFactory.java

@@ -51,6 +51,7 @@ final class WithUserDetailsSecurityContextFactory implements WithSecurityContext
 		this.beans = beans;
 	}
 
+	@Override
 	public SecurityContext createSecurityContext(WithUserDetails withUser) {
 		String beanName = withUser.userDetailsServiceBeanName();
 		UserDetailsService userDetailsService = findUserDetailsService(beanName);

test/src/main/java/org/springframework/security/test/web/reactive/server/SecurityMockServerConfigurers.java

@@ -107,6 +107,7 @@ public class SecurityMockServerConfigurers {
 	 */
 	public static MockServerConfigurer springSecurity() {
 		return new MockServerConfigurer() {
+			@Override
 			public void beforeServerCreated(WebHttpHandlerBuilder builder) {
 				builder.filters(filters -> filters.add(0, new MutatorFilter()));
 			}