chore: Update extension submodule revision
Updates the gitlab-vscode-extension
submodule ref to a743bad59496baec8daaf9e5a9010d4f53fc6577
to include our new release.
Updates the gitlab-vscode-extension
submodule ref to a743bad59496baec8daaf9e5a9010d4f53fc6577
to include our new release.