fix(dbus): Add error handling for DBus publishing and main loop

Wrap DBus publishing and main loop execution in try-except blocks to
capture and log failures. This ensures better visibility into errors and
prevents silent failures during runtime.

src/revpi_middleware/dbus_middleware1/bus_provider.py

@@ -34,12 +34,19 @@ class BusProvider(Thread):
     def run(self):
         log.debug("enter BusProvider.run")
 
+        try:
             self._bus.publish(
                 REVPI_DBUS_NAME,
                 InterfacePiControl(self.picontrol_device, self.config_rsc),
             )
+        except Exception as e:
+            log.error(f"can not publish dbus {REVPI_DBUS_NAME}: {e}")
 
+        try:
             self._loop.run()
+        except Exception as e:
+            log.error(f"can not run dbus mainloop: {e}")
+
         log.debug("leave BusProvider.run")
 
     def stop(self):