chore: upgrade to go 1.26.4

[DeepSpace2]

Summary by CodeRabbit

• Chores
  • Updated Go toolchain version to 1.26.4 across build configurations and dependency management.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 5adeb1ea-afce-4347-9a8c-f8bcd90edce2

📥 Commits

Reviewing files that changed from the base of the PR and between 1a5e713 and a42df3f.

📒 Files selected for processing (3)

• .github/workflows/reusable-unittests.yml
• Dockerfile
• go.mod

---

📝 Walkthrough

Walkthrough

Go toolchain version bumped from 1.26.4 replacing 1.25.4 in three locations: the go directive in go.mod, the builder base image in Dockerfile, and the go-version value in the reusable CI workflow's actions/setup-go step.

Changes

Go 1.26.4 Version Bump

Layer / File(s)	Summary
Go toolchain version update go.mod, Dockerfile, .github/workflows/reusable-unittests.yml	go directive, Docker builder base image, and CI setup-go step all updated from 1.25.4 to 1.26.4.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'chore: upgrade to go 1.26.4' accurately and concisely describes the main change across all modified files: upgrading the Go toolchain version from 1.25.4 to 1.26.4.
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.

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

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}