Update: move php-cs-fixer cache under .cache folder

Author: thePanz

.gitignore

@@ -1,3 +1,5 @@
+.cache/
+
 /test/functional/fixtures/cache
 /test/functional/fixtures/log
 /lib/plugins/sfDoctrinePlugin/test/functional/fixtures/lib/*/doctrine/base/
@@ -6,4 +8,3 @@
 lib/plugins/sfDoctrinePlugin/test/functional/fixtures/log/
 /vendor
 /composer.lock
-.php-cs-fixer.cache

.php-cs-fixer.dist.php

@@ -21,7 +21,7 @@
         '@Symfony' => true,
         'array_syntax' => ['syntax' => 'short'],
     ])
-    ->setCacheFile('.php-cs-fixer.cache')
+    ->setCacheFile('.cache/php-cs-fixer.cache')
     ->setFinder($finder)
 ;