[FrameworkBundle] Deprecate framework:exceptions XML tag

Author: MatTheCat

CHANGELOG.md

@@ -8,6 +8,7 @@ CHANGELOG
  * Allow to avoid `limit` definition in a RateLimiter configuration when using the `no_limit` policy
  * Add `--format` option to the `debug:config` command
  * Add support to pass namespace wildcard in `framework.messenger.routing`
+ * Deprecate `framework:exceptions` tag, unwrap it and replace `framework:exception` tags' `name` attribute by `class`
 
 6.2
 ---

DependencyInjection/Configuration.php

@@ -1202,6 +1202,8 @@ private function addExceptionsSection(ArrayNodeDefinition $rootNode)
                                 return $v;
                             }
 
+                            trigger_deprecation('symfony/framework-bundle', '6.3', '"framework:exceptions" tag is deprecated. Unwrap it and replace your "framework:exception" tags\' "name" attribute by "class".');
+
                             $v = $v['exception'];
                             unset($v['exception']);