Update all dependencies

[cpuguy83]

This forces an update to go1.26

[Copilot]

Pull request overview

Updates Dalec’s Go toolchain baseline to Go 1.26 and refreshes Go dependencies.

Changes:

• Raises the module and CI toolchain to Go 1.26.
• Updates BuildKit, containerd, OpenTelemetry, and related dependencies.
• Updates test and mirrored builder images.

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
.github/copilot-instructions.md	Documents Go 1.26 requirement.
.github/workflows/ci.yml	Uses Go 1.26 in CI.
.github/workflows/retag.yml	Uses Go 1.26 for retagging.
.github/workflows/retag/images.yml	Mirrors the Go 1.26 image.
go.mod	Raises Go baseline and dependency versions.
go.sum	Refreshes dependency checksums.
test/fixtures/phony.go	Builds fixture with Go 1.26.
test/fixtures/signer.go	Builds signer with Go 1.26.
test/git_services/teststate.go	Builds Git test server with Go 1.26.

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[Copilot]

Pull request overview

Copilot reviewed 9 out of 10 changed files in this pull request and generated no new comments.

Suppressed comments (2)

go.mod:21

• The BuildKit library is raised to v0.32.2, but the BuildKit image used by CI remains pinned to v0.31.2 in Dockerfile:5. This leaves a declared dependency unupdated and makes integration tests exercise the new client/frontend code against the previous daemon release. Update the Dockerfile tag and digest to v0.32.2 as part of this upgrade.

	github.com/moby/buildkit v0.32.2

go.mod:3

• The Go 1.26 requirement is only applied to the root module; the separate website/go.mod still declares go 1.25.9. This leaves part of the repository on the old toolchain despite the PR's stated repository upgrade and the updated “Go 1.26+” development requirement. Update the website module (and its sums if needed) in the same change.

go 1.26.3