chore: add suggestion for ntl switch to login cmd (#4463)

Co-authored-by: charliegroll <[email protected]>
Co-authored-by: token-generator-app[bot] <token-generator-app[bot]@users.noreply.github.com>

Author: charliegroll

src/commands/login/login.js

@@ -29,6 +29,8 @@ const login = async (options, command) => {
     log()
     log(`Run ${chalk.cyanBright('netlify status')} for account details`)
     log()
+    log(`or run ${chalk.cyanBright('netlify switch')} to switch accounts`)
+    log()
     log(`To see all available commands run: ${chalk.cyanBright('netlify help')}`)
     log()
     return exit()