chore(go): weekly Go upgrade

[localstack-bot]

Automated weekly Go upgrade.

• Updates the go directive to the latest released Go version.
• Runs go mod tidy to keep module files consistent.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

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📝 Walkthrough

Walkthrough

Updated toolchain versions: Go language in go.mod bumped from 1.25.6 to 1.26.0, and golangci-lint in .tool-versions bumped from 2.8.0 to 2.9.0. No other code, dependency, or public API changes.

Changes

Cohort / File(s)	Summary
Go Version go.mod	Bump Go language version from 1.25.6 to 1.26.0. Single-line change, no dependency edits.
Tooling Versions .tool-versions	Update golangci-lint from 2.8.0 to 2.9.0. No behavioral or code changes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Suggested reviewers

• carole-lavillonniere

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main change: a Go version upgrade from 1.25.6 to 1.26.0, clearly communicating the primary purpose of the pull request.
Description check	✅ Passed	The description is directly related to the changeset, explaining the automated weekly Go upgrade process and the updates made to keep dependencies consistent.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into main

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

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/weekly-go-upgrade

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

[silv-io]

LGTM!