Prepare for 8.0.0 Release (#926)

Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>

Author: Addisu Z. Taddese

CMakeLists.txt

@@ -18,7 +18,7 @@ set(GZ_CMAKE_VER ${gz-cmake3_VERSION_MAJOR})
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-gz_configure_project(VERSION_SUFFIX pre3)
+gz_configure_project(VERSION_SUFFIX)
 
 #============================================================================
 # Set project-specific options

Changelog.md

@@ -2,7 +2,7 @@
 
 ### Gazebo Rendering 8.X
 
-### Gazebo Rendering 8.0.0 (202X-XX-XX)
+### Gazebo Rendering 8.0.0 (2023-09-29)
 
 1. Remove gazebo scene viewer example
     * [Pull request #915](https://github.com/gazebosim/gz-rendering/pull/915)