Use latest minor version in install commands (#8180)

* Use latest minor version in install commands

* Remove unused vars

Author: ADmad

config.js

@@ -27,10 +27,6 @@ export default {
     hostname: "https://book.cakephp.org/5.x/",
   },
   themeConfig: {
-    vars: {
-      phpversion: '8.5',
-      minphpversion: '8.2'
-    },
     socialLinks: [
       { icon: "github", link: "https://github.com/cakephp/cakephp" },
     ],
@@ -49,7 +45,7 @@ export default {
   substitutions: {
     '|phpversion|': { value: '8.5', format: 'bold' },
     '|minphpversion|': { value: '8.2', format: 'italic' },
-    '|cakeversion|': '5.3.0',
+    '|cakeversion|': '5.3',
   },
   locales: {
     root: {

docs/en/installation.md

@@ -65,7 +65,7 @@ composer --version
 
 ```bash [Create Project]
 # Create a new CakePHP 5 application
-composer create-project --prefer-dist cakephp/app:~5.0 my_app_name
+composer create-project --prefer-dist cakephp/app:~|cakeversion| my_app_name
 
 # Navigate to your app
 cd my_app_name
@@ -81,8 +81,8 @@ bin/cake server --frankenphp
 
 ::: tip Version Constraints
 Your `composer.json` version constraint controls updates:
-- `"cakephp/cakephp": "5.0.*"` - Patch releases only (recommended)
-- `"cakephp/cakephp": "^5.0"` - Minor + patch releases (may require config changes)
+- `"cakephp/cakephp": "|cakeversion|.*"` - Patch releases only (recommended)
+- `"cakephp/cakephp": "^|cakeversion|"` - Minor + patch releases (may require config changes)
 :::
 
 ### Method 2: DDEV (Fast Setup)
@@ -95,7 +95,7 @@ Perfect for local development environments:
 # Create and configure project
 mkdir my-cakephp-app && cd my-cakephp-app
 ddev config --project-type=cakephp --docroot=webroot
-ddev composer create --prefer-dist cakephp/app:~5.0
+ddev composer create --prefer-dist cakephp/app:~|cakeversion|
 
 # Launch in browser
 ddev launch
@@ -127,7 +127,7 @@ For containerized development:
 ```bash
 # Create project using Composer in Docker
 docker run --rm -v $(pwd):/app composer create-project \
-  --prefer-dist cakephp/app:~5.0 my_app
+  --prefer-dist cakephp/app:~|cakeversion| my_app
 
 # Start PHP development server (install required extensions first)
 cd my_app