Switch to gz ionic links in Gazebo tutorial (#5549) (#5551)

* Switch to gz ionic

Signed-off-by: Yadunund <[email protected]>

* Recommend Ionic in release Kilted release notes

Signed-off-by: Yadunund <[email protected]>

---------

Signed-off-by: Yadunund <[email protected]>
(cherry picked from commit 7c91c31)

Co-authored-by: yadunund <[email protected]>

Author: mergify[bot]

source/Releases/Release-Kilted-Kaiju.rst

@@ -44,6 +44,10 @@ Installation
 
 `Install Kilted Kaiju <../../kilted/Installation.html>`__
 
+Supported Gazebo Release
+------------------------
+For Kilted Kaiju, the recommended Gazebo release is `Ionic <https://gazebosim.org/docs/ionic/ros_installation>`__.
+
 New features in this ROS 2 release
 ----------------------------------
 

source/Tutorials/Advanced/Simulators/Gazebo/Gazebo.rst

@@ -37,11 +37,11 @@ Gazebo
 
 Gazebo and ROS support different combinations of versions.
 
-All supported combinations can be seen `here <https://gazebosim.org/docs/harmonic/ros_installation#summary-of-compatible-ros-and-gazebo-combinations>`__.
+All supported combinations can be seen `here <https://gazebosim.org/docs/ionic/ros_installation#summary-of-compatible-ros-and-gazebo-combinations>`__.
 
 `ROS REP-2000 <https://www.ros.org/reps/rep-2000.html>`__ standardizes what the default version of Gazebo is for each ROS distribution.
 
-If you haven't installed a version of Gazebo on your system yet, you can install Gazebo by following the `installation instructions <https://gazebosim.org/docs/harmonic/ros_installation>`__.
+If you haven't installed a version of Gazebo on your system yet, you can install Gazebo by following the `installation instructions <https://gazebosim.org/docs/ionic/ros_installation>`__.
 
 Quick Check
 -----------
@@ -55,11 +55,11 @@ To verify your Gazebo installation is correct, check you can run it:
 Further Resources
 -----------------
 
-Once Gazebo is installed and is all clear on the last quick test, you can move to the `Gazebo tutorials <https://gazebosim.org/docs/harmonic/tutorials>`__ to try out building your own robot!
+Once Gazebo is installed and is all clear on the last quick test, you can move to the `Gazebo tutorials <https://gazebosim.org/docs/ionic/tutorials>`__ to try out building your own robot!
 
 If you use a different version of Gazebo than the recommended version, make sure to use the dropdown to select the correct version of documentation.
 
 Summary
 -------
 
-In this tutorial, you have installed Gazebo and set-up your workspace to start with the `Gazebo tutorials <https://gazebosim.org/docs/harmonic/tutorials>`__.
+In this tutorial, you have installed Gazebo and set-up your workspace to start with the `Gazebo tutorials <https://gazebosim.org/docs/ionic/tutorials>`__.