Fix proxy hint Kotlin extensions

Closes gh-30025

spring-core/src/main/kotlin/org/springframework/aot/hint/JdkProxyHintExtensions.kt

@@ -25,4 +25,4 @@ import kotlin.reflect.KClass
  * @since 6.0.5
  */
 fun JdkProxyHint.Builder.proxiedInterfaces(vararg proxiedInterfaces: KClass<*>) =
-	proxiedInterfaces(*proxiedInterfaces.map { it::class.java }.toTypedArray())
+	proxiedInterfaces(*proxiedInterfaces.map { it.java }.toTypedArray())

spring-core/src/main/kotlin/org/springframework/aot/hint/ProxyHintsExtensions.kt

@@ -25,4 +25,4 @@ import kotlin.reflect.KClass
  * @since 6.0.5
  */
 fun ProxyHints.registerJdkProxy(vararg proxiedInterfaces: KClass<*>) =
-	registerJdkProxy(*proxiedInterfaces.map { it::class.java }.toTypedArray())
+	registerJdkProxy(*proxiedInterfaces.map { it.java }.toTypedArray())

spring-core/src/test/kotlin/org/springframework/aot/hint/JdkProxyHintExtensionsTests.kt

@@ -34,7 +34,7 @@ class JdkProxyHintExtensionsTests {
 	fun `proxiedInterfaces builder extension`() {
 		every { builder.proxiedInterfaces(*anyVararg<Class<*>>()) } returns builder
 		builder.proxiedInterfaces(String::class, Int::class)
-		verify { builder.proxiedInterfaces(*anyVararg<Class<*>>()) }
+		verify { builder.proxiedInterfaces(String::class.java, Int::class.java) }
 	}
 
 }

spring-core/src/test/kotlin/org/springframework/aot/hint/ProxyHintsExtensionsTests.kt

@@ -34,7 +34,7 @@ class ProxyHintsExtensionsTests {
 	fun `registerJdkProxy extension`() {
 		every { proxyHints.registerJdkProxy(*anyVararg<Class<*>>()) } returns proxyHints
 		proxyHints.registerJdkProxy(String::class, Int::class)
-		verify { proxyHints.registerJdkProxy(*anyVararg<Class<*>>()) }
+		verify { proxyHints.registerJdkProxy(String::class.java, Int::class.java) }
 	}
 
 }