import { GithubProvider } from "https://dotland.deno.dev/x/cliffy@v0.25.1/command/upgrade/mod.ts";
x/cliffy/command/upgrade/mod.ts>GithubProvider#getRegistryUrl
import { GithubProvider } from "https://dotland.deno.dev/x/cliffy@v0.25.1/command/upgrade/mod.ts";