lang/typescript-go: Update to 7.0.0.g20251209 (latest GitHub commit)

While here, remove Go version pinning.[1]

Changelog: https://github.com/microsoft/typescript-go/compare/05f4d69f81d416946ce46a374d91b78c0fbd37c8...8372401975e9186b2270c89c2c821e2efaf9c522

Reported by: adamw (via private email)[1]