sensorpaths: adjust case for 'utilization'

The path case 'Utilization' doesn't match the dbus specifications.
This issue was reported on Discord[1].  Change to lowercase to match
the rest of the paths and the specifications.

[1]: https://discord.com/channels/775381525260664832/1187158775438778408/1298446074738118797

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I16cf1f9dc327cce0ea14b252f41c55eff73ead9a
diff --git a/src/SensorPaths.cpp b/src/SensorPaths.cpp
index e5ed60f..11e6dd9 100644
--- a/src/SensorPaths.cpp
+++ b/src/SensorPaths.cpp
@@ -42,7 +42,7 @@
     }
     if (units == "Percent" || units == unitPercent)
     {
-        return "Utilization";
+        return "utilization";
     }
     if (units == "Pascals" || units == unitPascals)
     {