net/krakend-ce: Security update 2.13.5 => 2.13.6
Security CVEs - May 2026
Source: Go Security Team announcements
https://github.com/krakend/krakend-ce/pull/1094
Approved by: db@, yuri@ (Mentors, implicit)
MFH: 2026Q2
(cherry picked from commit 681bbaf14e8561d7758e61e4986969fd060b1f68)