Add PHP 8.1 to shims and build (#1365)

* Add PHP 8.1 to shims and build

* Lock psr/container version

* Lock psr version

* Restrict symfony component versions

* Downgrade event-dispatcher-contracts

* Update more package versions

* php-cs fixes

* style fix

* cs-fixer file fix

* Exclude resources dir from cs fixer

* Ignore cs fixer env check

* Update league/csv

bootstrap/application.php

@@ -39,7 +39,7 @@ class application extends Illuminate\Foundation\Application
         $bootstrappers = array_replace(
             $bootstrappers,
             array_fill_keys(
-                array_keys($bootstrappers, $find),
+                array_keys($bootstrappers, $find, true),
                 $replace
             )
         );