should be scan interval from HA core

[todo]

custom-components/sensor/vrtnws.py

Lines 31 to 36 in 4309094

	# TODO: should be scan interval from HA core
	vol.Optional(CONF_UPDATE_INTERVAL, default=timedelta(seconds=180)): (
	vol.All(cv.time_period, cv.positive_timedelta)),
	})

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This issue was generated by todo based on a TODO comment in 4309094. It's been assigned to @thibmaek because they committed the code.

[thibmaek]

SCAN_INTERVAL = timedelta(seconds=300)