chore(deps): update module golang.org/x/sync to v0.21.0

[red-hat-konflux]

This PR contains the following updates:

Package	Change	Age	Confidence
golang.org/x/sync	v0.20.0 → v0.21.0

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Documentation

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Summary by CodeRabbit

• Chores
  • Updated an indirect Go dependency to a newer version for improved compatibility and maintenance.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository: openshift/coderabbit/.coderabbit.yaml

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Plan: Enterprise

Run ID: 53ed472a-fe63-4549-a6d2-da2c7466b85d

📥 Commits

Reviewing files that changed from the base of the PR and between 0744ab4 and a59e042.

⛔ Files ignored due to path filters (4)

• go.sum is excluded by !**/*.sum
• vendor/golang.org/x/sync/errgroup/errgroup.go is excluded by !**/vendor/**, !vendor/**
• vendor/golang.org/x/sync/singleflight/singleflight.go is excluded by !**/vendor/**, !vendor/**
• vendor/modules.txt is excluded by !**/vendor/**, !vendor/**

📒 Files selected for processing (1)

• go.mod

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Walkthrough

This change updates the indirect Go module dependency golang.org/x/sync in go.mod from version v0.20.0 to v0.21.0.

Changes

Dependency update

Layer / File(s)	Summary
Bump golang.org/x/sync version go.mod	Indirect dependency golang.org/x/sync updated from v0.20.0 to v0.21.0.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested labels: dependencies, go

Suggested reviewers: none required for a single dependency version bump

Poem
A rabbit hopped through go.mod's ground,
found one small version, tightly wound,
v0.20 to v0.21, a gentle leap,
a tidy bump, a promise to keep,
thump thump — merged without a sound.

🚥 Pre-merge checks | ✅ 15

✅ Passed checks (15 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the change: it updates golang.org/x/sync to v0.21.0.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Stable And Deterministic Test Names	✅ Passed	PR only updates go.mod/go.sum and vendored x/sync source/comments; no Ginkgo test titles were added or changed, so no stability risk.
Test Structure And Quality	✅ Passed	No Ginkgo test files or test logic were changed; the PR only updates golang.org/x/sync dependencies and vendored code.
Microshift Test Compatibility	✅ Passed	Only go.mod/go.sum/vendor updates were changed; no new Ginkgo e2e tests were added, so MicroShift API compatibility isn’t implicated.
Single Node Openshift (Sno) Test Compatibility	✅ Passed	No Ginkgo e2e tests were added or modified; the PR only updates golang.org/x/sync and vendor/module metadata.
Topology-Aware Scheduling Compatibility	✅ Passed	Only golang.org/x/sync dependency/vendor files changed; no manifests, controllers, or scheduling constraints were modified.
Ote Binary Stdout Contract	✅ Passed	Only dependency/vendor updates changed; no main/init/TestMain or stdout logging calls appear in modified files.
Ipv6 And Disconnected Network Test Compatibility	✅ Passed	Only go.mod/go.sum and vendored x/sync files changed; no new Ginkgo e2e tests or network-using code were added.
No-Weak-Crypto	✅ Passed	Diff only bumps golang.org/x/sync; touched files show no MD5/SHA1/DES/RC4/3DES/Blowfish/ECB, custom crypto, or secret-comparison code.
Container-Privileges	✅ Passed	PR only updates go.mod/go.sum and vendored x/sync code; no container/K8s manifests or privilege settings changed.
No-Sensitive-Data-In-Logs	✅ Passed	PR only bumps x/sync and updates vendored docs/comments; no log statements or sensitive data exposure found in changed files.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch konflux/mintmaker/main/golang.org-x-sync-0.x

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[openshift-merge-bot]

/retest-required

Remaining retests: 0 against base HEAD 0744ab4 and 2 for PR HEAD a59e042 in total