bug symfony#61105 [FrameworkBundle] fix phpdoc in MicroKernelTrait (santysisi)

This PR was merged into the 6.4 branch.

Discussion
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[FrameworkBundle] fix phpdoc in `MicroKernelTrait`

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | no
| License       | MIT

Minor: Fix PHPDoc comments by replacing `/* `@var`` with the correct `/** `@var`` syntax to improve IDE support and adhere to PHPDoc standards.

Commits
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21edffc [FrameworkBundle] fix phpdoc in `MicroKernelTrait`

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php

@@ -178,7 +178,7 @@ public function registerContainerConfiguration(LoaderInterface $loader)
             }
 
             $file = (new \ReflectionObject($this))->getFileName();
-            /* @var ContainerPhpFileLoader $kernelLoader */
+            /** @var ContainerPhpFileLoader $kernelLoader */
             $kernelLoader = $loader->getResolver()->resolve($file);
             $kernelLoader->setCurrentDir(\dirname($file));
             $instanceof = &\Closure::bind(fn &() => $this->instanceof, $kernelLoader, $kernelLoader)();
@@ -204,7 +204,7 @@ public function registerContainerConfiguration(LoaderInterface $loader)
     public function loadRoutes(LoaderInterface $loader): RouteCollection
     {
         $file = (new \ReflectionObject($this))->getFileName();
-        /* @var RoutingPhpFileLoader $kernelLoader */
+        /** @var RoutingPhpFileLoader $kernelLoader */
         $kernelLoader = $loader->getResolver()->resolve($file, 'php');
         $kernelLoader->setCurrentDir(\dirname($file));
         $collection = new RouteCollection();