Updated docs for PHP 8.4

Author: GrahamCampbell

configuration.md

@@ -43,7 +43,7 @@ Our default (PHP-only) configuration looks like this:
 
 ```yaml
 risky: false
-version: 8.3
+version: 8.4
 preset: recommended
 monolithic: true
 finder:

finder.md

@@ -7,7 +7,7 @@ Take a look at the below example of a PHP-only configuration:
 ```yaml
 risky: false
 
-version: 8.3
+version: 8.4
 
 presets: recommended
 

multi-language.md

@@ -7,7 +7,7 @@ The configuration for each language must now fall under the relevant name. For i
 ```yaml
 php:
   risky: true
-  version: 8.3
+  version: 8.4
   preset: laravel
   enabled:
     - ternary_to_elvis_operator
@@ -74,7 +74,7 @@ Setting `php: true` translates to the following:
 ```yaml
 php:
   risky: false
-  version: 8.3
+  version: 8.4
   preset: recommended
   monolithic: true
   tab-width: 4

standalone-php.md

@@ -7,7 +7,7 @@ To demonstrate this, below is the contents of an example `.styleci.yml` file, us
 ```yaml
 risky: false
 
-version: 8.3
+version: 8.4
 
 preset: recommended
 
@@ -55,7 +55,7 @@ Some of our fixers do things that can change code behavior, by design. Risky mod
 <a name="version"></a>
 ## Version
 
-It is possible to set the PHP version your code will be parsed using using the `version` option. `7.4`, `8.0`, `8.1`, `8.2`, and `8.3` are the allowed values, and additionally, `7` is an alias for `7.4` and `8` is an alias for `8.3`. PHP version 8.3 is the default version.
+It is possible to set the PHP version your code will be parsed using using the `version` option. `7.4`, `8.0`, `8.1`, `8.2`, `8.3`, and `8.4` are the allowed values, and additionally, `7` is an alias for `7.4` and `8` is an alias for `8.4`. PHP version 8.4 is the default version.
 
 <a name="presets"></a>
 ## Presets