chore(deps): update dependency go to v1.26.4

[renovate]

This PR contains the following updates:

Package	Update	Change
go	minor	1.25.10 → 1.26.4

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

golang/go (go)

v1.26.4

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v1.26.3

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v1.26.2

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v1.26.1

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v1.26.0

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v1.25.11

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Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: mise.lock

mise ERROR error parsing config file: /tmp/renovate/repos/github/buildkite/go-buildkite/mise.toml
mise ERROR Config files in /tmp/renovate/repos/github/buildkite/go-buildkite/mise.toml are not trusted.
Trust them with `mise trust`. See https://mise.en.dev/cli/trust.html for more information.
mise ERROR Version: 2026.5.18 linux-x64 (2026-05-31)
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information

Command failed: mise lock go
mise ERROR error parsing config file: /tmp/renovate/repos/github/buildkite/go-buildkite/mise.toml
mise ERROR Config files in /tmp/renovate/repos/github/buildkite/go-buildkite/mise.toml are not trusted.
Trust them with `mise trust`. See https://mise.en.dev/cli/trust.html for more information.
mise ERROR Version: 2026.5.18 linux-x64 (2026-05-31)
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information

[renovate]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update (1.26.4). You will get a PR once a newer version is released. To ignore this dependency forever, add it to the ignoreDeps array of your Renovate config.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.