minor symfony#50918 FrameworkBundle] Fix tests (fabpot)

This PR was merged into the 6.4 branch.

Discussion
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FrameworkBundle] Fix tests

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | n/a
| License       | MIT
| Doc PR        | n/a

Commits
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a67e86f FrameworkBundle] Fix tests

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/composer.json

@@ -51,7 +51,7 @@
         "symfony/lock": "^5.4|^6.0|^7.0",
         "symfony/mailer": "^5.4|^6.0|^7.0",
         "symfony/messenger": "^6.3|^7.0",
-        "symfony/mime": "^6.2|^7.0",
+        "symfony/mime": "^6.4|^7.0",
         "symfony/notifier": "^5.4|^6.0|^7.0",
         "symfony/process": "^5.4|^6.0|^7.0",
         "symfony/rate-limiter": "^5.4|^6.0|^7.0",