minor #61530 [DependencyInjection] add routing.controller to the list of known DI tags (xabbuh)

This PR was merged into the 7.4 branch.

Discussion
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[DependencyInjection] add routing.controller to the list of known DI tags

| Q             | A
| ------------- | ---
| Branch?       | 7.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

re-reading #61492 I wonder if we don't have to add the new tag to this list

Commits
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593ee8f45e5 add routing.controller to the list of known DI tags

Author: nicolas-grekas

DependencyInjection/Compiler/UnusedTagsPass.php

@@ -78,6 +78,7 @@ class UnusedTagsPass implements CompilerPassInterface
         'proxy',
         'remote_event.consumer',
         'routing.condition_service',
+        'routing.controller',
         'routing.expression_language_function',
         'routing.expression_language_provider',
         'routing.loader',

Tests/DependencyInjection/Compiler/UnusedTagsPassUtils.php

@@ -19,6 +19,7 @@ public static function getDefinedTags(): array
     {
         $tags = [
             'proxy' => true,
+            'routing.controller' => true,
         ];
 
         // get all tags used in XML configs