fix(deps): bump moby/buildkit to v0.28.1 for govulncheck

[dsm20]

Proposed Changes

• go.work: go 1.25.0 → go 1.25.5 (required by buildkit v0.28.1)
• tests-bdd/go.mod: go 1.25.0 → go 1.25.5, moby/buildkit v0.27.1 →
  v0.28.1, plus a handful of transitive dep bumps
• this change is in response to a failing govluncheck

Checklist

• I have added or updated unit tests
• I have added or updated integration tests (if appropriate)
• I have added or updated documentation

Testing Instructions

Summary by CodeRabbit

• Chores
  • Updated Go toolchain and refreshed project dependencies to the latest stable versions.

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the project's Go version and the moby/buildkit dependency. These changes were necessary to address a vulnerability identified by govulncheck and to ensure the project remains compatible with the latest version of buildkit.

Highlights

• Dependency Update: Updated moby/buildkit to v0.28.1 to resolve a failing govulncheck scan.
• Go Version Upgrade: Bumped the Go version to 1.25.5 in both go.work and tests-bdd/go.mod to satisfy the requirements of the new buildkit version.
• Transitive Dependency Updates: Included several transitive dependency updates in tests-bdd/go.sum to ensure compatibility with the updated buildkit and Go version.

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---

The build was failing, red and stark, We searched for bugs within the dark. A version bump, a simple fix, Now tests pass through the buildkit tricks.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: bb780857-1600-4948-a456-c53e14c2924f

📥 Commits

Reviewing files that changed from the base of the PR and between 6590228 and 1e4a9ad.

⛔ Files ignored due to path filters (2)

• go.work is excluded by !**/*.work
• tests-bdd/go.sum is excluded by !**/*.sum

📒 Files selected for processing (1)

• tests-bdd/go.mod

---

📝 Walkthrough

Walkthrough

Updated the Go toolchain and several dependencies in tests-bdd/go.mod. The Go version target was bumped from 1.25.0 to 1.25.5. Multiple indirect dependencies were refreshed, including replacements for in-toto packages and version increments for compression, buildkit, and sigstore libraries.

Changes

Cohort / File(s)	Summary
Go Module Dependencies tests-bdd/go.mod	Updated Go toolchain target to 1.25.5; replaced github.com/in-toto/in-toto-golang v0.9.0 with github.com/in-toto/attestation v1.1.2; bumped in-toto-golang to v0.10.0, klauspost/compress to v1.18.4, moby/buildkit to v0.28.1, moby/patternmatcher to v0.6.1, secure-systems-lab/go-securesystemslib to v0.10.0, and sigstore/sigstore-go to stable v1.1.4.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 Dependencies dance in harmony,
Version bumps flow so free,
Go 1.25 marches on with glee,
Sigstore and buildkit agree,
A modest hop through the dependency tree! 🌱

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately reflects the main change: bumping moby/buildkit to v0.28.1 to resolve a govulncheck issue, which is the primary motivation for all the dependency updates in the PR.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/bump-buildkit-tests-bdd

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[github-actions]

Benchmark results, click to expand

Benchmark authorization.GetDecisions Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	197.346763ms

Benchmark authorization.v2.GetMultiResourceDecision Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	100.380199ms

Benchmark Statistics

Name	№ Requests	Avg Duration	Min Duration	Max Duration

Bulk Benchmark Results

Metric	Value
Total Decrypts	100
Successful Decrypts	100
Failed Decrypts	0
Total Time	391.519014ms
Throughput	255.42 requests/second

TDF3 Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	41.560898092s
Average Latency	413.857904ms
Throughput	120.31 requests/second

[gemini-code-assist]

Code Review

This pull request updates the Go version to 1.25.5 across the workspace and bumps several dependencies in the tests-bdd module, including in-toto-golang, buildkit, and go-securesystemslib. Review feedback identifies that Go 1.25.5 is not a standard release version and will likely cause build failures. Additionally, the update to sigstore-go is flagged as a version downgrade from a pseudo-version to a tag, which requires correction or justification.

[github-actions]

X-Test Results

✅ go-pull-3225
✅ go-v0.9.0
✅ java-pull-3225
✅ js-pull-3225
✅ java-v0.9.0
✅ js-v0.9.0
test-cases-mapping-report
cukes-report
bats-test-results
opentdfplatform69F8JB.dockerbuild