fix sobmodule repo url

ef639751 · Temur Maisuradze · d6ff7b77 · ef639751
Commit ef639751 authored 3 years ago by Temur Maisuradze
--- a/.gitmodules
+++ b/.gitmodules
 [submodule "user-mgmt-ui"]
 	path = user-mgmt-ui
-	url = https://gitlab.geant.org/gn4-3-wp8-t3.1-soc/soctools-user-mgmt-ui
+	url = https://gitlab.geant.org/gn4-3-wp8-t3.1-soc/soctools-user-mgmt-ui.git