Update dependency go to v1.26.0

[balena-renovate]

This PR contains the following updates:

Package	Type	Update	Change
go (source)	toolchain	minor	1.25.7 → 1.26.0

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, 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 has been generated by Renovate Bot.

[balena-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: go.sum

Command failed: go get -t ./...
go: downloading go1.26.0 (linux/amd64)
go: download go1.26.0: golang.org/toolchain@v0.0.1-go1.26.0.linux-amd64: verifying module: golang.org/toolchain@v0.0.1-go1.26.0.linux-amd64: reading https://sum.golang.org/lookup/golang.org/toolchain@v0.0.1-go1.26.0.linux-amd64: 404 Not Found
	server response: not found: golang.org/toolchain@v0.0.1-go1.26.0.linux-amd64: reading https://go.dev/dl/mod/golang.org/toolchain/@v/v0.0.1-go1.26.0.linux-amd64.info: 404 Not Found