Try adding code to main section as workaround to empty artifacts issue in Central.

Signed-off-by: Olga Maciaszek-Sharma <[email protected]>

Author: OlgaMaciaszek

tests/spring-cloud-contract-stub-runner-kafka/src/main/java/EmptyArtifactWorkaround.java

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2012-2025 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.
+ */
+
+// Workaround to solve central empty artifact issue
+public class EmptyArtifactWorkaround {
+}