Update .repos and version references

Signed-off-by: Raul Sanchez-Mateos <raul@eprosima.com>

Author: rsanchez15

README.md

@@ -8,7 +8,7 @@
 [![Forks](https://img.shields.io/github/forks/eProsima/dev-utils.svg)](https://github.com/eProsima/dev-utils/network/members)
 [![Stars](https://img.shields.io/github/stars/eProsima/dev-utils.svg)](https://github.com/eProsima/dev-utils/stargazers)
 [![test](https://github.com/eProsima/dev-utils/actions/workflows/nightly.yml/badge.svg)](https://github.com/eProsima/dev-utils/actions/workflows/nightly.yml)
-[![codecov](https://codecov.io/gh/eProsima/dev-utils/branch/main/graph/badge.svg?token=6NA5PVA9QL)](https://codecov.io/gh/eProsima/dev-utils)
+[![codecov](https://codecov.io/gh/eProsima/dev-utils/branch/v1.1.0/graph/badge.svg?token=6NA5PVA9QL)](https://codecov.io/gh/eProsima/dev-utils)
 
 <br><br>
 
@@ -105,7 +105,7 @@ is explained in the following section.
 ```bash
 mkdir -p ~/DDS-Router/src
 cd ~/DDS-Router
-wget https://raw.githubusercontent.com/eProsima/dev-utils/main/dev_utils.repos
+wget https://raw.githubusercontent.com/eProsima/dev-utils/v1.1.0/dev_utils.repos
 vcs import src < dev_utils.repos
 ```
 

dev_utils.repos

@@ -6,12 +6,12 @@ repositories:
     fastcdr:
         type: git
         url: https://github.com/eProsima/Fast-CDR.git
-        version: 2.x
+        version: v2.2.5
     fastdds:
         type: git
         url: https://github.com/eProsima/Fast-DDS.git
-        version: 3.x
+        version: v3.1.0
     dev_utils:
         type: git
         url: https://github.com/eProsima/dev-utils.git
-        version: main
+        version: v1.1.0