Missing `node:buffer` in `node` namespace

[georgolden]

Impress and Node.js versions

node 18, impress 3.0.0-alpha.5

Platform

Linux

Describe the bug

there is no node:buffer provided within the node namespace.

It is impossible to use Blob https://nodejs.org/api/buffer.html#class-blob

To Reproduce

Just try to use Blob

Expected behavior

there must be node.buffer.Blob available to use

Screenshots

 [
  'util',          'child_process',  'os',
  'v8',            'vm',             'path',
  'url',           'string_decoder', 'querystring',
  'assert',        'stream',         'fs',
  'crypto',        'zlib',           'readline',
  'perf_hooks',    'async_hooks',    'timers',
  'events',        'dns',            'net',
  'tls',           'http',           'https',
  'http2',         'dgram',          'childProcess',
  'StringDecoder', 'perfHooks',      'asyncHooks',
  'fsp'
]

Additional context

No response