Add and use time related constants (#32065)

* Add and use time related constants

* Sort time constants and reuse them in data rate constants

* Fix greeneyemonitor import

* Fix greeneyemonitor import V2

* Fix failing here_travel_time test

* Add TIME_MONTHS and TIME_YEARS

* Use TIME_MINUTES in opentherm_gw and isy994

* Add and use TIME_MILLISECONDS

* Change inconsistent ones

* Add TIME_MICROSECONDS and TIME_WEEKS

* Use constants in apcupsd and travisci

* Fix import error in upnp sensor.py

* Fix isy994 sensor.py using TIME_YEARS

* Fix dyson tests

* Use TIME_SECONDS in more places

* Use TIME_DAYS in google wifi

tests/components/integration/test_sensor.py

@@ -2,6 +2,7 @@
 from datetime import timedelta
 from unittest.mock import patch
 
+from homeassistant.const import TIME_SECONDS
 from homeassistant.setup import async_setup_component
 import homeassistant.util.dt as dt_util
 
@@ -181,7 +182,7 @@ async def test_suffix(hass):
             "source": "sensor.bytes_per_second",
             "round": 2,
             "unit_prefix": "k",
-            "unit_time": "s",
+            "unit_time": TIME_SECONDS,
         }
     }