minor #54325 chore: CS fixes (keradus)

This PR was squashed before being merged into the 7.1 branch.

Discussion
----------

chore: CS fixes

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Issues        | Fix CS <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
| License       | MIT

Few steps closer to clean CS (`php-cs-fixer fix` not reporting any issues)

Commits
-------

023ed3ee7d chore: CS fixes

Author: nicolas-grekas

Tests/LazyProxy/Instantiator/RealServiceInstantiatorTest.php

@@ -17,7 +17,7 @@
 use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\RealServiceInstantiator;
 
 /**
- * Tests for {@see \Symfony\Component\DependencyInjection\LazyProxy\Instantiator\RealServiceInstantiator}.
+ * Tests for {@see RealServiceInstantiator}.
  *
  * @author Marco Pivetta <ocramius@gmail.com>
  */

Tests/LazyProxy/PhpDumper/NullDumperTest.php

@@ -16,7 +16,7 @@
 use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper;
 
 /**
- * Tests for {@see \Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper}.
+ * Tests for {@see NullDumper}.
  *
  * @author Marco Pivetta <ocramius@gmail.com>
  */