minor symfony#60383 [FrameworkBundle] make data provider static (xabbuh)

This PR was merged into the 6.4 branch.

Discussion
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[FrameworkBundle] make data provider static

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

spotted in symfony#58370 (I missed this in symfony#60365)

Commits
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04a46d3 make data provider static

Author: xabbuh

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php

@@ -267,7 +267,7 @@ public function testValidatorEmailValidationMode(string $mode)
         });
     }
 
-    public function emailValidationModeProvider()
+    public static function emailValidationModeProvider()
     {
         foreach (Email::VALIDATION_MODES as $mode) {
             yield [$mode];