docs: Add note about extension submodules needing to use HTTPS URLS (#33454)
This PR adds a note to the extension publishing docs about extension
submodules needing to use HTTPS URLs.
Release Notes:
- N/A
40cbfb7eb2Marshall Bowers committed on 6/26/2025, 2:18:56 PM· committed by GitHubparent5d0f02d