(cherry picked from commit d4d2099c)

18c42aa7 update to go 1.26.3
47a74791 update runner-linter image
e118042c update golanglint version
7956f181 update makefile golanglint version
fed40532 disable goconst check
fbba765d fix govet issue

Co-authored-by: Garret Wassermann <gwassermann@gitlab.com>

Update to go 1.26.3 [backport to 19.0]

See merge request !6788

Merged-by: Igor <iwiedler@gitlab.com>
Approved-by: Igor <iwiedler@gitlab.com>
Approved-by: Axel von Bertoldi <avonbertoldi@gitlab.com>
Approved-by: Mikhail Mazurskiy <mmazurskiy@gitlab.com>
Approved-by: Achilleas Pipinellis <axil@gitlab.com>
Co-authored-by: Garret Wassermann <gwassermann@gitlab.com>