Contributor bhekanik added to vouched list

A new contributor, bhekanik, is now officially recognized on the repository's vouched list. In heavily governed projects, being vouched acts as a trust metric that unlocks capabilities like running continuous integration workflows without manual approval or gaining issue triage rights. This administrative update ensures the contributor has the appropriate automated access to continue their work with less friction. The update takes place at the repository governance level within the .github configuration directory.