Your task is to rearrange an array, nums, containing positive integers to form the next lexicographically greater permutationA permutation of an array of integers refers to any ordering of its elements into a sequence or linear arrangement.. This means finding the next permutation in the sequence of all possible arrangements sorted in dictionary order.

For example, given the array $[4, 5, 6]$, the next permutation is $[4, 6, 5]$. In the same way, $[5, 6, 4]$ becomes $[6, 4, 5]$.

If the array is already in its highest possible order (sorted in descending order), such as $[6, 5, 4]$, it’s not possible to find a lexicographically larger permutation. In this case, you must rearrange the array to its lowest possible order (sorted in ascending order), which would be $[4, 5, 6]$ ...