tree 580cf3deb6a6673c1abefc8ee1030500cd23c6d1
parent 1ee970d959431303b6867912e18acaa7f5cce894
author apaseltiner <apaseltiner@google.com> 1789134814 -0700
committer Copybara-Service <copybara-worker@google.com> 1789134999 -0700

Use token for Proxy-Status error parameter in ConnectUdpTunnel.

[RFC 9209 § 2.1.1](https://www.rfc-editor.org/rfc/rfc9209.html#section-2.1.1)
specifies that the `error` parameter of the `Proxy-Status` HTTP header field
must be an sf-token rather than an sf-string.

PiperOrigin-RevId: 979795974