Clean up `json!` literal for `vtsls` configuration (#13518)

This PR cleans up the formatting of the `json!` literal used to provided
`vtsls` configuration.

Release Notes:

- N/A
e0c192d831Marshall Bowers committed on 6/25/2024, 5:04:31 PM· committed by GitHubparentb2a0a7f
1 file changedLine totals unavailable