Use Boolean field for OidcUserInfo.phoneNumberVerified

Related https://github.com/spring-projects/spring-security/issues/11315

Closes gh-923

docs/src/docs/asciidoc/examples/src/main/java/sample/userinfo/idtoken/OidcUserInfoService.java

@@ -66,7 +66,6 @@ public class OidcUserInfoService {
 					.zoneinfo("Europe/Paris")
 					.locale("en-US")
 					.phoneNumber("+1 (604) 555-1234;ext=5678")
-					.phoneNumberVerified("false")
 					.claim("address", Collections.singletonMap("formatted", "Champ de Mars\n5 Av. Anatole France\n75007 Paris\nFrance"))
 					.updatedAt("1970-01-01T00:00:00Z")
 					.build()

docs/src/docs/asciidoc/examples/src/test/java/sample/userinfo/EnableUserInfoSecurityConfigTests.java

@@ -127,7 +127,6 @@ public class EnableUserInfoSecurityConfigTests {
 						jsonPath("zoneinfo").value("Europe/Paris"),
 						jsonPath("locale").value("en-US"),
 						jsonPath("phone_number").value("+1 (604) 555-1234;ext=5678"),
-						jsonPath("phone_number_verified").value("false"),
 						jsonPath("address.formatted").value("Champ de Mars\n5 Av. Anatole France\n75007 Paris\nFrance"),
 						jsonPath("updated_at").value("1970-01-01T00:00:00Z")
 				);