net/cloudflared: Update to 2026.2.0

While here, pet portclippy.

A number of people were involved in this update, especially Xiaodi Ma.
This committed patch, however, was created by Paavo-Einari Kaipila, and
I'm really sorry in advance if I accidentally butchered the spelling of
either of those names.

This update brings important security and stability fixes.

Changes: https://github.com/cloudflare/cloudflared/blob/master/CHANGES.md

PR: 290847
Approved by: maintainer timeout (3 months, plus multiple emails)
Security: GO-2026-4340 GO-2026-4341

(cherry picked from commit 0eea2f2f5ad77998b0a24f857ecf7c987a48aae1)