change dependencies to v8.0 branch

Change-Id: I905bffd1e00bdd86c71e239b126a8bd9580cac2d
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/RO-VIM-openvim/requirements.txt b/RO-VIM-openvim/requirements.txt
index 5802df5..0d61840 100644
--- a/RO-VIM-openvim/requirements.txt
+++ b/RO-VIM-openvim/requirements.txt
@@ -16,4 +16,4 @@
 PyYAML
 requests
 netaddr
-git+https://osm.etsi.org/gerrit/osm/RO.git#egg=osm-ro-plugin&subdirectory=RO-plugin
+git+https://osm.etsi.org/gerrit/osm/RO.git@v8.0#egg=osm-ro-plugin&subdirectory=RO-plugin