Update noteworthy-differences.md (#54939)
Additional comparison with Matlab for bulk editing matrices for
operations such as applying a threshold.
Useful discussion here:
https://discourse.julialang.org/t/replacing-values-of-specific-entries-in-an-array-in-julia/25259
and here:
https://stackoverflow.com/questions/56583807/replacing-values-of-specific-entries-in-an-array-in-julia
