Mailtrap: only depend on typing_extensions for py<3.11

Author: cahna

pyproject.toml

@@ -13,8 +13,8 @@ authors = [
 ]
 description = """\
 Django email backends and webhooks for Amazon SES, Brevo,
- MailerSend, Mailgun, Mailjet, Mandrill, Postal, Postmark, Resend,
- SendGrid, SparkPost and Unisender Go
+ MailerSend, Mailgun, Mailjet, Mailtrap, Mandrill, Postal, Postmark,
+ Resend, SendGrid, SparkPost and Unisender Go
  (EmailBackend, transactional email tracking and inbound email signals)\
 """
 # readme: see tool.hatch.metadata.hooks.custom below
@@ -66,7 +66,7 @@ dependencies = [
     "django>=4.0",
     "requests>=2.4.3",
     "urllib3>=1.25.0",  # requests dependency: fixes RFC 7578 header encoding
-    "typing_extensions>=4.12",  # for older Python compatibility
+    "typing_extensions>=4.12; python_version < 3.11",  # for older Python compatibility
 ]
 
 [project.optional-dependencies]