This repository https://github.com/conda-forge/feedstocks/ does not get updated by hand, rather it is an automated summary of all the individual package feedstocks which have their own separate repositories.
If you want to file an issue with an individual package, say unzip, go to the
https://github.com/conda-forge/unzip-feedstock/issues page.
If you want to request a new package be added, go to the https://github.com/conda-forge/staged-recipes/issues page.
If you want to file a wider issue, go to the https://github.com/conda-forge/conda-forge.github.io/issues page.