Add missing AOT hints for Spring Batch integration module

Resolves #4307

spring-batch-integration/src/main/java/META-INF/spring/aot.factories

@@ -0,0 +1 @@
+org.springframework.aot.hint.RuntimeHintsRegistrar=org.springframework.batch.integration.aot.IntegrationRuntimeHints

spring-batch-integration/src/main/java/org/springframework/batch/integration/aot/IntegrationRuntimeHints.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.batch.integration.aot;
+
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.batch.integration.chunk.ChunkRequest;
+import org.springframework.batch.integration.chunk.ChunkResponse;
+
+/**
+ * AOT hints for Spring Batch integration module.
+ *
+ * @author Mahmoud Ben Hassine
+ * @since 5.0.1
+ */
+public class IntegrationRuntimeHints implements RuntimeHintsRegistrar {
+
+	@Override
+	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
+		// reflection hints
+		hints.reflection().registerType(ChunkRequest.class, MemberCategory.values());
+		hints.reflection().registerType(ChunkResponse.class, MemberCategory.values());
+
+		// serialization hints
+		hints.serialization().registerType(ChunkRequest.class);
+		hints.serialization().registerType(ChunkResponse.class);
+	}
+
+}