Fix variable naming for clock time constants to follow camelCase convention

Author: Monsur0001

Sprint-2/2-mandatory-errors/4.js

@@ -1,2 +1,2 @@
-const TwelveHourClockTime = "8:53pm";
-const TwentyFourHourClockTime = "20:53";
+const twelveHourClockTime = "8:53pm";
+const twentyFourHourClockTime = "20:53";