Fix version v4.9.0

Author: mansona

guides/v4.9.0/tutorial/part-1/orientation.md

@@ -24,7 +24,7 @@ To verify that your installation was successful, run:
 
 ```shell
 $ ember --version
-ember-cli: 4.5.0
+ember-cli: 4.6.0
 node: 14.19.1
 os: linux x64
 ```
@@ -38,7 +38,7 @@ We can create a new project using Ember CLI's `new` command. It follows the patt
 ```shell
 $ ember new super-rentals --lang en
 installing app
-Ember CLI v4.5.0
+Ember CLI v4.6.0
 
 Creating a new Ember app in /home/runner/work/super-rentals-tutorial/super-rentals-tutorial/dist/code/super-rentals:
   create .editorconfig
@@ -165,10 +165,10 @@ We'll learn about the purposes of these files and folders as we go. For now, jus
 
 ## Starting and Stopping the Development Server
 
-Ember CLI comes with a lot of different commands for a variety of development tasks, such as the `ember new` command that we saw earlier. It also comes with a _development server_, which we can launch with the `ember server` command:
+Ember CLI comes with a lot of different commands for a variety of development tasks, such as the `ember new` command that we saw earlier. It also comes with a _development server_, which we can launch with the `ember serve` command:
 
 ```shell
-$ ember server
+$ ember serve
 building... 
 
 Build successful (9761ms) – Serving on http://localhost:4200/
@@ -190,7 +190,7 @@ The development server is responsible for compiling our app and serving it to th
   </div>
 </div>
 
-You can exit out of the development server at any time by typing `Ctrl + C` into the terminal window where `ember server` is running. That is, typing the "C" key on your keyboard _while_ holding down the "Ctrl" key at the same time. Once it has stopped, you can start it back up again with the same `ember server` command. We recommend having two terminal windows open: one to run the server in background, another to type other Ember CLI commands.
+You can exit out of the development server at any time by typing `Ctrl + C` into the terminal window where `ember serve` is running. That is, typing the "C" key on your keyboard _while_ holding down the "Ctrl" key at the same time. Once it has stopped, you can start it back up again with the same `ember server` command. We recommend having two terminal windows open: one to run the server in background, another to type other Ember CLI commands.
 
 ## Editing Files and Live Reload
 

guides/v4.9.0/tutorial/part-1/reusable-components.md

@@ -95,10 +95,10 @@ After saving the changes to our configuration file, we will need to restart our
 
 <!-- TODO: https://github.com/ember-cli/ember-cli/issues/8782 -->
 
-You can stop the server by finding the terminal window where `ember server` is running, then type `Ctrl + C`. That is, typing the "C" key on your keyboard _while_ holding down the "Ctrl" key at the same time. Once it has stopped, you can start it back up again with the same `ember server` command.
+You can stop the server by finding the terminal window where `ember serve` is running, then type `Ctrl + C`. That is, typing the "C" key on your keyboard _while_ holding down the "Ctrl" key at the same time. Once it has stopped, you can start it back up again with the same `ember server` command.
 
 ```shell
-$ ember server
+$ ember serve
 building... 
 
 Build successful (13286ms) – Serving on http://localhost:4200/