minor #23896 [Inlt] Fix JsonBundleReader exceptions (ksjogo)

This PR was submitted for the master branch but it was merged into the 2.7 branch instead (closes #23896).

Discussion
----------

[Inlt] Fix JsonBundleReader exceptions

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

Commits
-------

22a6642 Update JsonBundleReader.php

src/Symfony/Component/Intl/Data/Bundle/Reader/JsonBundleReader.php

@@ -32,27 +32,24 @@ public function read($path, $locale)
 
         if (!file_exists($fileName)) {
             throw new ResourceBundleNotFoundException(sprintf(
-                'The resource bundle "%s/%s.json" does not exist.',
-                $path,
-                $locale
+                'The resource bundle "%s" does not exist.',
+                $fileName
             ));
         }
 
         if (!is_file($fileName)) {
             throw new RuntimeException(sprintf(
-                'The resource bundle "%s/%s.json" is not a file.',
-                $path,
-                $locale
+                'The resource bundle "%s" is not a file.',
+                $fileName
             ));
         }
 
         $data = json_decode(file_get_contents($fileName), true);
 
         if (null === $data) {
             throw new RuntimeException(sprintf(
-                'The resource bundle "%s/%s.json" contains invalid JSON: %s',
-                $path,
-                $locale,
+                'The resource bundle "%s" contains invalid JSON: %s',
+                $fileName,
                 self::getLastJsonError()
             ));
         }