fix: permission error on latest deno

[freshfish70]

Fixes #123

• Tested on Deno 1.7.0
• Breaking change for versions bellow 1.7.0

Tested on 1.6.3, 1.6.0, 1.5.0 - Not able to start with dep upgrade, gets the reverse error of HOST not exist on NetPermission

error: TS2339 [ERROR]: Property 'host' does not exist on type 'NetPermissionDescriptor'.
              return pd.host
                        ~~~~
    at https://deno.land/std@0.84.0/permissions/mod.ts:17:25

TS2339 [ERROR]: Property 'host' does not exist on type 'NetPermissionDescriptor'.
                ? `--allow-${pd.name}=${pd.host}`
                                           ~~~~
    at https://deno.land/std@0.84.0/permissions/mod.ts:18:44

[fangmarks]

@filipporeds could you review/merge this?

[mmintel]

great! will this be released soon?