Refs #15060: Fix ddsrouter.repos for v0.4.0

Signed-off-by: jparisu <javierparis@eprosima.com>

Author: jparisu

ddsrouter.repos

@@ -2,16 +2,16 @@ repositories:
     foonathan_memory_vendor:
         type: git
         url: https://github.com/eProsima/foonathan_memory_vendor.git
-        version: master
+        version: v1.2.1
     fastcdr:
         type: git
         url: https://github.com/eProsima/Fast-CDR.git
-        version: master
+        version: v1.0.24
     fastdds:
         type: git
         url: https://github.com/eProsima/Fast-DDS.git
-        version: master
+        version: v2.7.0
     ddsrouter:
         type: git
         url: https://github.com/eProsima/DDS-Router.git
-        version: main
+        version: v0.4.0