chore(deps): bump tailscale.com from 1.102.5 to 1.104.0 in the go-modules group

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Toolchain Bump (REAL) REAL: This bump silently raises the module's minimum Go version from go 1.26.6 to go 1.27.1. Any environment with a pinned Go 1.26.x toolchain and GOTOOLCHAIN=local (common in offline/hermetic CI images and release builders) will now fail with "go.mod requires go >= 1.27.1". This also contradicts the repo's own documentation: AGENTS.md states "Language: Go 1.26+", which is no longer true after this PR. Either revert the go directive to a 1.26 patch version (if tailscale.com v1.104.0 permits it), or consciously update AGENTS.md and verify every CI job's setup-go version matches 1.27.1 before merge. Note: I can only see the diff, so I could not confirm whether CI pins Go 1.26 — that check remains for the author. go 1.27.1

[mlorentedev]

Review triage

Item	Disposition	Reason
PR-Agent, go.mod:3 (Go 1.27.1 toolchain bump)	defer to #435 / #436	Valid: Tailscale v1.104.0 requires Go 1.27.1, and every Go 1.26 CI job fails before tests run. The bot-owned branch does not allow maintainer edits. #436 carries the exact dependency graph plus coordinated workflow, linter, documentation and regression-guard updates. Do not merge this red Dependabot PR.
CodeRabbit status notice	skip	Review skipped because the author is a bot; this is not a review or a no-findings verdict.
Failing CI jobs	defer to #436	Linux/Windows tests, smoke, lint and security cannot start on Go 1.26; the replacement PR validates with the required Go version.

Reviewer output dispositioned: github-actions, 2026-10-09T16:52:36Z; coderabbitai[bot], 2026-10-07T12:54:21Z.