chore(deps): update dependency @railway/cli to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@railway/cli (source)	4.65.0 → 5.12.1

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Release Notes

railwayapp/cli (@​railway/cli)

v5.12.1

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• #​966 Render imported Railway config groups

v5.12.0

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• #​967 feat(sandbox): checkpoint commands + adapt to sandboxTemplateBuild API

v5.11.0

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• #​955 feat(connect): tunnel to private databases over SSH

v5.10.0

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• #​964 Surface Railway config diagnostics

v5.9.1

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• #​962 Harden Railway config apply safety

v5.8.0

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• #​958 feat(telemetry): distinguish GitHub vs image source on service source connect
• #​959 feat(telemetry): agent_unknown tier 3 — MCP client mappings, ancestor residue, agent upgrade nudge
• #​960 fix(auth): device-code transport fixes — reason telemetry, fallback relabel, CI truthiness, one-click link

v5.7.0

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• #​956 feat(mcp): capture clientInfo at the initialize handshake

v5.6.2

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• #​957 feat(oauth): forward cli_caller on login for agent signup attribution

v5.6.1

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• #​954 fix: sandbox list/exec ergonomics + MCP claude-code caller attribution

v5.6.0

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• #​953 feat(sandbox): railway sandbox forward — port-forward into a sandbox

v5.5.0

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• #​952 feat(telemetry): identify agent callers on Windows + surface unknown MCP client names

v5.4.2

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• #​951 feat(sandbox): offer to link directory after interactive picker

v5.4.1

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• #​950 [codex] fix railway token auth preflight

v5.4.0

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• #​948 feat(sandbox): durable streaming exec over the WebSocket bridge

v5.3.1

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• #​946 fix(skills): unmanaged-install detection + honest install summaries

v5.3.0

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• #​938 Agentic up: signup-aware single front door — auth on the fly, create-on-no-link, device-code fallback, structured JSON contract

v5.2.0

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• #​921 Release Railway configuration commands
• #​944 Include config assets in package

v5.1.0

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• #​943 feat(sandbox): show loading spinner during sandbox exec

v5.0.0

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• #​933 feat(sandbox): fork, templates, and --variable/--env-file on create

v4.68.0

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• #​931 feat(volume): include modified time in files JSON

v4.67.0

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• #​934 Add service source connection support

v4.66.2

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• #​932 Make GraphQL HTTP timeout configurable via RAILWAY_HTTP_TIMEOUT

v4.66.1

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• #​926 SSH Command: Handle Identity Files
• #​928 feat(volume): show status and scheduled deletion date in volume list

v4.66.0

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• #​925 feat(sandbox): railway sandbox commands (create/list/ssh/exec/destroy)

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