[irobot] iRobot binding (#8723)

* [irobot] iRobot binding

Supports iRobot Roomba and probably some other iRobots (in parts where they
are compatible)

* [irobot] Drop custom hivemq wrapper

setUnsubscribeOnStop() has been introduced in
org.openhab.core.io.transport.mqtt.MqttBrokerConnection, so it can now handle
iRobot's quirks. The custom wrapper is no more needed, remove it

Signed-off-by: Pavel Fedin <pavel_fedin@mail.ru>
Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

bom/openhab-addons/pom.xml

@@ -511,6 +511,11 @@
       <artifactId>org.openhab.binding.ipp</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.openhab.addons.bundles</groupId>
+      <artifactId>org.openhab.binding.irobot</artifactId>
+      <version>${project.version}</version>
+    </dependency>
     <dependency>
       <groupId>org.openhab.addons.bundles</groupId>
       <artifactId>org.openhab.binding.irtrans</artifactId>