devel/rubygem-grape-path-helpers: update to 2.1.0
Required for gitlab 19.3
Changes: https://gitlab.com/gitlab-org/ruby/gems/grape-path-helpers/-/blob/master/CHANGELOG.md?ref_type=heads
(cherry picked from commit 7ebfe8cc3d1816f364d48fa19df1db4c55f905a0)