Add UnboundId Compatibility Check

Closes gh-15400

ldap/spring-security-ldap.gradle

@@ -1,5 +1,9 @@
 apply plugin: 'io.spring.convention.spring-module'
 
+configurations {
+	unboundid7 { extendsFrom(optional, tests) }
+}
+
 dependencies {
 	management platform(project(":spring-security-dependencies"))
 	api project(':spring-security-core')
@@ -35,9 +39,20 @@ dependencies {
 	testImplementation "org.mockito:mockito-junit-jupiter"
 	testImplementation "org.springframework:spring-test"
 	testImplementation 'org.skyscreamer:jsonassert'
+	unboundid7 libs.com.unboundid.unboundid.ldapsdk7
+
 }
 
 integrationTest {
 //	  exclude('**/OpenLDAPIntegrationTestSuite.class')
 	maxParallelForks = 1
 }
+
+tasks.register("unboundid7Test", Test) {
+	useJUnitPlatform()
+	classpath = sourceSets.test.output + sourceSets.main.output + configurations.unboundid7
+}
+
+tasks.named("check") {
+	dependsOn unboundid7Test
+}