Represents a string of an Athena Version number.
Is in the form of x.y.z.b.
x is the Major Version
y is the Minor Version
z is the Patch Version
p is the Build version. Defaults to 1 if not included in the string.
Class is mean to represent the shadow of a Greengrass Core. However as of Aug 2025 we do not use the main (none-named) shadow
of the Greengrass core. Which is why this class is empty, as it is just a place holder.
NOTE: We do however use named shadows for the core.