Update versions in fastdds.repos file (#4621)

Signed-off-by: elianalf <62831776+elianalf@users.noreply.github.com>

Author: elianalf

fastdds.repos

@@ -10,8 +10,8 @@ repositories:
     fastdds:
         type: git
         url: https://github.com/eProsima/Fast-DDS.git
-        version: master
+        version: 3.0.x-devel
     fastddsgen:
         type: git
         url: https://github.com/eProsima/Fast-DDS-Gen.git
-        version: master
+        version: 4.0.x-devel