[climate_ir] Add optional humidity sensor (#9805)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: Djordje Mandic <6750655+DjordjeMandic@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>
Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>

tests/components/climate_ir_lg/common.yaml

@@ -1,4 +1,16 @@
+sensor:
+  - platform: template
+    id: temp_sensor
+    lambda: return 22.0;
+    update_interval: 60s
+  - platform: template
+    id: humidity_sensor
+    lambda: return 50.0;
+    update_interval: 60s
+
 climate:
   - platform: climate_ir_lg
     name: LG Climate
     transmitter_id: xmitr
+    sensor: temp_sensor
+    humidity_sensor: humidity_sensor