go: Add support for running sub-tests in table tests (#35657)

One killer feature for the Go runner is to execute individual subtests
within a table-test easily. Goland has had this feature forever, while
in VSCode this has been notably missing.


https://github.com/user-attachments/assets/363417a2-d1b1-43ca-8377-08ce062d6104


Release Notes:

- Added support to run Go table-test subtests.
b61b71405dLukas Spiss committed on 8/12/2025, 8:56:33 AM· committed by GitHubparentcc5eb24
2 files changedLine totals unavailable