perf: Downgrade TX Power change log to debug (#89)

- Logging when a device changes its advertised TX-Power is now debug-logged instead of warning (was initially warning to find out if people actually have devices that do this. They do).

custom_components/bermuda/__init__.py

@@ -288,7 +288,9 @@ def update(
         ):
             # Not really an erorr, we just don't account for this happening -
             # I want to know if it does.
-            _LOGGER.warning(
+            # AJG 2024-01-11: This does happen. Looks like maybe apple devices?
+            # Changing from warning to debug to quiet users' logs.
+            _LOGGER.debug(
                 "Device changed TX-POWER! That was unexpected: %s %sdB",
                 device_address,
                 scandata.advertisement.tx_power,