www/forgejo: Update 10.0.3 => 11.0.1 (fix security issues)

News:
https://forgejo.org/2025-04-release-v11-0/
https://forgejo.org/2025-04-monthly-update/#security-releases-v1101-and-v7015

Relsease notes:
https://codeberg.org/forgejo/forgejo/src/branch/forgejo/release-notes-published/11.0.0.md
https://codeberg.org/forgejo/forgejo/src/branch/forgejo/release-notes-published/11.0.1.md

While here remove go version after default go version was increased to 1.24.

PR: 286296
Approved by: Stefan Bethke <stb@lassitu.de> (maintainer, timeout 1 month)
MFH: 2025Q2

(cherry picked from commit d254830057301d80102a0c918a6da9137662950d)