Bump github.com/tektoncd/chains from 0.26.3 to 0.27.1

[dependabot]

Bumps github.com/tektoncd/chains from 0.26.3 to 0.27.1.

Release notes

Sourced from github.com/tektoncd/chains's releases.

Tekton Chains release v0.27.1

-Docs @ v0.27.1 -Examples @ v0.27.1

Installation one-liner

kubectl apply -f https://infra.tekton.dev/tekton-releases/chains/previous/v0.27.1/release.yaml

Attestation

The Rekor UUID for this release is 108e9186e8c5677a9c93c24b59fba7b3e2de163a740faeba34300825ad23565eb69a3d11ab071694

Obtain the attestation:

REKOR_UUID=108e9186e8c5677a9c93c24b59fba7b3e2de163a740faeba34300825ad23565eb69a3d11ab071694
rekor-cli get --uuid $REKOR_UUID --format json | jq -r .Attestation | jq .

Verify that all container images in the attestation are in the release file:

RELEASE_FILE=https://infra.tekton.dev/tekton-releases/chains/previous/v0.27.1/release.yaml
REKOR_UUID=108e9186e8c5677a9c93c24b59fba7b3e2de163a740faeba34300825ad23565eb69a3d11ab071694
Obtains the list of images with sha from the attestation
REKOR_ATTESTATION_IMAGES=$(rekor-cli get --uuid "$REKOR_UUID" --format json | jq -r .Attestation | jq -r '.subject[]|.name + ":v0.27.1@sha256:" + .digest.sha256')
Download the release file
curl -L "$RELEASE_FILE" > release.yaml
For each image in the attestation, match it to the release file
for image in $REKOR_ATTESTATION_IMAGES; do
printf $image; grep -q $image release.yaml && echo " ===> ok" || echo " ===> no match";
done

Changes

Features

... (truncated)

Commits

• 020a29a Add migration cleanup for SSA finalizers (#1699)
• 3fbaa94 Fix duplicate .att/.sig OCI layers for same-digest type hints (#1601)
• 5f38adb chore(deps): bump golangci/golangci-lint-action from 9.2.0 to 9.2.1 (#1683)
• 9169ea0 chore(deps): bump step-security/harden-runner from 2.19.3 to 2.19.4 (#1682)
• 0835671 chore(deps): bump github/codeql-action from 4.35.5 to 4.36.0 (#1681)
• 4bb6198 tekton: automate releases with Pipelines-as-Code (#1656)
• 4f9ad41 chore: update chains maintainers (#1679)
• 7a12f22 chore(deps): bump github/codeql-action from 4.35.4 to 4.35.5 (#1678)
• e1a7227 chore(deps): bump step-security/harden-runner from 2.19.1 to 2.19.3 (#1677)
• f1df872 chore(deps): bump zizmorcore/zizmor-action from 0.5.3 to 0.5.6 (#1676)
• Additional commits viewable in compare view

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