xSccmInstall - Remove validation from the parameter $Version or add released versions

ISSUE DESCRIPTION: Remove validation from the parameter $Version or add released versions.

[source/DSCResources/xSccmInstall/xSccmInstall.schema.psm1, Line43. ](https://github.com/dsccommunity/ConfigMgrCBDsc/blob/28f681daaa9cde7106c4db455abe4b540fba6d4f/source/DSCResources/xSccmInstall/xSccmInstall.schema.psm1#L43C9-L43C70)