fix: logout from custom registry

Author: wraithgar

lib/commands/logout.js

@@ -1,5 +1,5 @@
-const getAuth = require('npm-registry-fetch/lib/auth.js')
 const npmFetch = require('npm-registry-fetch')
+const { getAuth } = npmFetch
 const log = require('../utils/log-shim')
 const BaseCommand = require('../base-command.js')
 
@@ -26,6 +26,7 @@ class Logout extends BaseCommand {
       log.verbose('logout', `clearing token for ${reg}`)
       await npmFetch(`/-/user/token/${encodeURIComponent(auth.token)}`, {
         ...this.npm.flatOptions,
+        registry: reg,
         method: 'DELETE',
         ignoreBody: true,
       })