[cherry-pick: release-v0.28.x] fix(release): bump pinned ko image for go 1.26.4#1784
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The pinned ko/koparse images in release/publish.yaml baked in Go 1.26.3, but go.mod requires go 1.26.4, causing patch-release ko resolve to fail with GOTOOLCHAIN=local. Bump both image digests to versions shipping Go 1.26.4, and add a docker dependabot ecosystem for /release so pinned image digests stay in sync automatically, matching tektoncd/pipeline's approach. Assisted-by: Claude Sonnet 5 (via Cursor) Signed-off-by: Jawed khelil <jkhelil@redhat.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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This is a cherry-pick of #1778
Changes
The patch-release pipeline runs
ko resolveinside the pinnedghcr.io/tektoncd/plumbing/koimage, which bakes in a specific Gotoolchain.
go.modrequiresgo 1.26.4, but the pinnedkoimage inrelease/publish.yamlstill shippedGOLANG_VERSION=1.26.3. SinceGOTOOLCHAIN=local,ko resolverefused to auto-fetch the newertoolchain and the release failed with:
This mirrors how
tektoncd/pipelineavoids this class of failure: ithas a
dockerDependabot ecosystem entry for its/tektondirectorythat keeps the pinned
ko/koparseimage digests continuouslyup to date. Chains had no such entry, so the pinned digests could
silently drift behind
go.mod.koandkoparseimage digests inrelease/publish.yamltoversions shipping
GOLANG_VERSION=1.26.4(verified viacrane config).dockerpackage-ecosystem entry for/releasein.github/dependabot.config.ymland regenerate.github/dependabot.ymlvia./hack/generate-dependabot.sh, soDependabot keeps these pinned image digests in sync with
go.modgoing forward.
Submitter Checklist
As the author of this PR, please check off the items in this checklist:
functionality, content, code)
Release Notes
Made with Cursor