minor symfony#54647 [Mailer] fix constraints (xabbuh)

This PR was merged into the 7.1 branch.

Discussion
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[Mailer] fix constraints

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
-------

4c0135c fix constraints

Author: nicolas-grekas

src/Symfony/Component/Mailer/Bridge/Resend/composer.json

@@ -21,8 +21,12 @@
     },
     "require-dev": {
         "symfony/http-client": "^6.4|^7.0",
+        "symfony/http-foundation": "^7.1",
         "symfony/webhook": "^6.4|^7.0"
     },
+    "conflict": {
+        "symfony/http-foundation": "<7.1"
+    },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Resend\\": "" },
         "exclude-from-classmap": [