minor #15136 Fix quoting style consistency (2.7) (ogizanagi)

This PR was merged into the 2.7 branch.

Discussion
----------

Fix quoting style consistency (2.7)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Follows up #15129.

Commits
-------

2aab007 Fix quoting style consistency.

src/Symfony/Component/Serializer/Annotation/Groups.php

@@ -35,16 +35,16 @@ class Groups
     public function __construct(array $data)
     {
         if (!isset($data['value']) || !$data['value']) {
-            throw new InvalidArgumentException(sprintf("Parameter of annotation '%s' cannot be empty.", get_class($this)));
+            throw new InvalidArgumentException(sprintf('Parameter of annotation "%s" cannot be empty.', get_class($this)));
         }
 
         if (!is_array($data['value'])) {
-            throw new InvalidArgumentException(sprintf("Parameter of annotation '%s' must be an array of strings.", get_class($this)));
+            throw new InvalidArgumentException(sprintf('Parameter of annotation "%s" must be an array of strings.', get_class($this)));
         }
 
         foreach ($data['value'] as $group) {
             if (!is_string($group)) {
-                throw new InvalidArgumentException(sprintf("Parameter of annotation '%s' must be an array of strings.", get_class($this)));
+                throw new InvalidArgumentException(sprintf('Parameter of annotation "%s" must be an array of strings.', get_class($this)));
             }
         }