Update of Aru Moon's tfc server

[AruMoon]

Added contact email address and connection address changed to host name which can be used to resolve both IPv4 and IPv6 of the server.

[github-actions]

Server list PR validation

Probed 1 new entry.

Gamedir	Address	Claimed	Responder	Host	Notes
tfc	ganymede.workbench.network:27018	49 (Xash)	—	—	❌ no response — server unreachable; will not be published until it answers

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_{Probes can be flaky on the first try; the nightly publish workflow re-probes with a 48 h grace window, so a single ❌ here is not necessarily fatal. Re-push to re-run.}