RemoveUselessReturnTagRector should not remove if iterable type is specified

[OskarStark]

Bug Report

Subject	Details
Rector version	e.g. v0.9.31 (invoke vendor/bin/rector --version)
Installed as	prefixed Rector

In my example this should not be removed:

https://getrector.org/demo/03643045-9933-4fce-9a70-3c948e737c5a

Produced diff:

@@ -2,11 +2,8 @@
 
 final class DemoFile
 {
-    /**
-     * @return iterable<stdClass>
-     */
     public function run(): iterable
     {
         yield \stdClass;
     }
 }

If you remove, PHPStan is complaining, if I add, rector removes it 😄

Method App\ArgumentResolver\UserIdArgumentResolver::resolve() return type has no value type specified in
iterable type iterable.
💡 See: https://phpstan.org/blog/solving-phpstan-no-value-type-specified-in-iterable-type