Change CI to iron (ros2#99)

Signed-off-by: Simon Hoinkis <[email protected]>

Author: mossmaurice-apexai

.github/workflows/main.yml

@@ -3,7 +3,7 @@ name: Integration build rmw_iceoryx
 on:
   push:
     branches:
-      - humble
+      - iron
   pull_request:
 
 jobs:
@@ -18,11 +18,11 @@ jobs:
       - name: Setup ROS
         uses: ros-tooling/setup-ros@master
         with:
-          required-ros-distributions: humble
+          required-ros-distributions: iron
       - name: Install Iceoryx Dependencies
         run: sudo apt-get update && sudo apt-get install -y cmake libacl1-dev libncurses5-dev pkg-config
       - name: Build & Test
         uses: ros-tooling/action-ros-ci@master
         with:
           package-name: rmw_iceoryx_cpp
-          target-ros2-distro: humble
+          target-ros2-distro: iron

README.md

@@ -15,7 +15,7 @@ To install rmw_iceoryx in a ROS 2 workspace with the latest ROS version, just ex
 ```bash
 mkdir -p ~/iceoryx_ws/src
 cd $_
-# LATEST_ROS_VERSION could be e.g. humble
+# LATEST_ROS_VERSION could be e.g. iron
 git clone --branch LATEST_ROS_VERSION https://github.com/ros2/rmw_iceoryx.git
 ```