v3.11

• Added Python 3.14 and Django 6.0 compatibility. Thanks @selwin!
• Replaced bleach with nh3 for HTML sanitization. bleach has been deprecated since 2023. Thanks @selwin!
• Added SESWebhookHandler and SparkPostWebhookHandler for handling webhook events (beta feature). Thanks @selwin!
• Optimized the way templates are fetched during email delivery. Thanks @selwin!