Merge branch 'bugs-2424' into 'master'

Update .gitmodules

See merge request cellframe/libdap-crypto!1

.gitmodules

 [submodule "test/libdap-test"]
 	path = test/libdap-test
-	url = https://github.com/kelvinblockchain/libdap-test
+	url = https://gitlab.demlabs.net/cellframe/libdap-test.git
 	branch = master
 [submodule "libdap"]
 	path = libdap
-	url = https://github.com/cellframe/libdap
+	url = https://gitlab.demlabs.net/cellframe/libdap.git