Updated the rails version in 7.1 to 7.2 in guide [skip ci]

guides/source/command_line.md

@@ -181,7 +181,7 @@ With no further work, `bin/rails server` will run our new shiny Rails app:
 $ cd my_app
 $ bin/rails server
 => Booting Puma
-=> Rails 7.1.0 application starting in development
+=> Rails 7.2.0 application starting in development
 => Run `bin/rails server --help` for more startup options
 Puma starting in single mode...
 * Version 3.12.1 (ruby 2.5.7-p206), codename: Llamas in Pajamas
@@ -507,7 +507,7 @@ $ bin/rails destroy model Oops
 ```bash
 $ bin/rails about
 About your application's environment
-Rails version             7.1.0
+Rails version             7.2.0
 Ruby version              2.7.0 (x86_64-linux)
 RubyGems version          2.7.3
 Rack version              2.0.4

guides/source/getting_started.md

@@ -132,10 +132,10 @@ run the following in a new terminal:
 
 ```bash
 $ rails --version
-Rails 7.1.0
+Rails 7.2.0
 ```
 
-If it says something like "Rails 7.1.0", you are ready to continue.
+If it says something like "Rails 7.2.0", you are ready to continue.
 
 ### Creating the Blog Application
 
@@ -404,7 +404,7 @@ database-agnostic.
 Let's take a look at the contents of our new migration file:
 
 ```ruby
-class CreateArticles < ActiveRecord::Migration[7.1]
+class CreateArticles < ActiveRecord::Migration[7.2]
   def change
     create_table :articles do |t|
       t.string :title
@@ -465,7 +465,7 @@ $ bin/rails console
 You should see an `irb` prompt like:
 
 ```irb
-Loading development environment (Rails 7.1.0)
+Loading development environment (Rails 7.2.0)
 irb(main):001:0>
 ```
 
@@ -1342,7 +1342,7 @@ In addition to the model, Rails has also made a migration to create the
 corresponding database table:
 
 ```ruby
-class CreateComments < ActiveRecord::Migration[7.1]
+class CreateComments < ActiveRecord::Migration[7.2]
   def change
     create_table :comments do |t|
       t.string :commenter