Add support for Arch and Envs for nfpm_package.#8

sfc-gh-ptabor wants to merge 3 commits intoericnorris:mainericnorris/rules_nfpm:mainfrom

sfc-gh-ptabor:20250530-env-and-archsfc-gh-ptabor/rules_nfpm:20250530-env-and-archCopy head branch name to clipboard