docs: Update Ubuntu references version

Signed-off-by: Ahmed Ismail <[email protected]>

Author: AhmedIsmail02

docs/development_environment/introduction.md

@@ -3,11 +3,11 @@
 This reference integration supports [Visual Studio Code](https://code.visualstudio.com/)
 development environment with the help of [devcontainers](https://code.visualstudio.com/docs/devcontainers/containers)
 and [Docker](https://docs.docker.com/get-started/overview). With Visual Studio
-Code, Linux (Ubuntu 20.04), Windows 11 and Mac OS 14.x operating systems are
+Code, Linux (Ubuntu 22.04), Windows 11 and Mac OS 14.x operating systems are
 supported. Follow the steps described in the [document](./vscode_dev_env_build_and_debug.md)
 to setup Visual Stuido Code development environment.
 
 If you prefer not to use either Visual Stuido Code or Docker, then only
-Linux (Ubuntu 20.04) is supported as development environment. Follow the steps
+Linux (Ubuntu 22.04) is supported as development environment. Follow the steps
 described in the [document](./linux_dev_env.md)
-to setup Linux (Ubuntu 20.04) development environment.
+to setup Linux (Ubuntu 22.04) development environment.

docs/development_environment/vscode_dev_env_build_and_debug.md

@@ -19,7 +19,7 @@ improve the user experience of developing of reference applications.
 ## Supported operation systems
 
 * Linux
-  * Ubuntu 20.04
+  * Ubuntu 22.04
 * Windows 11
 * Mac OS 14.x