dev: Update module github.com/sourcegraph/go-diff to v0.9.0

[mm-renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/sourcegraph/go-diff	v0.8.0 → v0.9.0

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Release Notes

sourcegraph/go-diff (github.com/sourcegraph/go-diff)

v0.9.0

Compare Source

What's Changed

• Fix panic on short "diff --git" args by @​samarth70 in #​90
• Reverse the extended headers in ReverseFileDiff by @​youdie006 in #​92
• Add SCIP code intelligence upload workflow by @​eseliger in #​89
• Expose sentinel error for reversing Git copies by @​keegancsmith in #​93
• Reverse diff --git path arguments by @​keegancsmith in #​94
• test/reverse: cover Git-derived reversal semantics by @​keegancsmith in #​95
• Centralize Git extended-header parsing by @​keegancsmith in #​96

New Contributors

• @​samarth70 made their first contribution in #​90
• @​youdie006 made their first contribution in #​92

Full Changelog: sourcegraph/go-diff@v0.8.0...v0.9.0

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[github-actions]

Codeowners approval required for this PR:

• @BakerNet or @zbedforrest

[greptile-apps]

Confidence Score: 5/5

The dependency-only update appears safe to merge, with no concrete compatibility or security regressions identified.

Summary

This PR upgrades github.com/sourcegraph/go-diff from v0.8.0 to v0.9.0 and refreshes its checksums.

• The dependency’s module metadata is unchanged between versions.
• Existing tests cover the parsing behavior used for ownership resolution and approval-staleness checks.
• No actionable correctness or security issues were identified.

_{Reviews (1) · Last reviewed commit: "dev: Update module github.com/sourcegrap..."}

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: a7967796-77d7-4e4c-afcf-50f642af7bbd

📥 Commits

Reviewing files that changed from the base of the PR and between 8021f9a and 3c7a475.

⛔ Files ignored due to path filters (1)

• go.sum is excluded by !**/*.sum

📒 Files selected for processing (1)

• go.mod

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📝 Walkthrough

Walkthrough

The pull request updates the direct github.com/sourcegraph/go-diff dependency in go.mod from v0.8.0 to v0.9.0. No exported or public declarations change.

Priority: ⬇️ Low

Merge Risk: ⚪ Minimal · up to 3c7a4

The upgraded diff library’s required checksums are present, and no actionable regression is identified. The change is ready to merge.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description directly documents the update from github.com/sourcegraph/go-diff v0.8.0 to v0.9.0 and summarizes the release changes.
Title check	✅ Passed	The title clearly and concisely identifies the dependency update from github.com/sourcegraph/go-diff to v0.9.0.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

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