Merge branch 'master' into 3.0.X

# Conflicts:
#	package-lock.json
#	package.json

test/backend-test/monitors/test-kafka-producer.js

@@ -0,0 +1,15 @@
+const { describe, test } = require("node:test");
+const assert = require("node:assert");
+const { kafkaProducerAsync } = require("../../../server/util-server");
+
+describe("Kafka Producer", () => {
+    test("rejects when broker is not reachable", async () => {
+        await assert.rejects(
+            kafkaProducerAsync(["localhost:19092"], "test-topic", "test-message", {
+                interval: 5,
+                connectionTimeout: 1,
+            }),
+            /.*/ // any error
+        );
+    });
+});