docs: fix composer config to avoid modifying package.json automatically

Author: Crovitche-1623

src/Autocomplete/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-autocomplete:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources
 

src/Cropperjs/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-cropperjs:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources
 

src/LazyImage/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-lazy-image:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources
 

src/LiveComponent/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-live-component:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources
 

src/TogglePassword/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-toggle-password:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources
 

src/Translator/assets/README.md

@@ -14,7 +14,7 @@ composer require symfony/ux-translator:2.23.0
 npm add @symfony/[email protected]
 ```
 
-**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config extra.symfony.flex.synchronize_package_json false`.
+**Tip:** Your `package.json` file will be automatically modified by [Flex](https://github.com/symfony/flex) when installing or upgrading a PHP package. To prevent this behavior, ensure to **use at least Flex 1.22.0 or 2.5.0**, and run `composer config "extra.symfony/flex.synchronize_package_json" false`.
 
 ## Resources