feature #20286 [Mailer][Webhook] add Mandrill webhook docs (johanadivare)

This PR was merged into the 7.2 branch.

Discussion
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[Mailer][Webhook] add Mandrill webhook docs

Code PR: symfony/symfony#50324

Commits
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e8084a2 [Mailer][Webhook] Mandrill Webhook support

Author: OskarStark

mailer.rst

@@ -110,7 +110,7 @@ Service               Install with                                    Webhook su
 `MailPace`_           ``composer require symfony/mail-pace-mailer``
 `MailerSend`_         ``composer require symfony/mailer-send-mailer``
 `Mailtrap`_           ``composer require symfony/mailtrap-mailer``    yes
-`Mandrill`_           ``composer require symfony/mailchimp-mailer``
+`Mandrill`_           ``composer require symfony/mailchimp-mailer``   yes
 `Postal`_             ``composer require symfony/postal-mailer``
 `Postmark`_           ``composer require symfony/postmark-mailer``    yes
 `Resend`_             ``composer require symfony/resend-mailer``      yes

webhook.rst

@@ -24,6 +24,7 @@ Currently, the following third-party mailer providers support webhooks:
 Mailer Service Parser service name
 ============== ============================================
 Brevo          ``mailer.webhook.request_parser.brevo``
+Mandrill       ``mailer.webhook.request_parser.mailchimp``
 MailerSend     ``mailer.webhook.request_parser.mailersend``
 Mailgun        ``mailer.webhook.request_parser.mailgun``
 Mailjet        ``mailer.webhook.request_parser.mailjet``
@@ -41,7 +42,7 @@ Sweego         ``mailer.webhook.request_parser.sweego``
 
 .. versionadded:: 7.2
 
-    The ``Mailomat``, ``Mailtrap``, and ``Sweego`` integrations were introduced in
+    The ``Mandrill``,  ``Mailomat``, ``Mailtrap``, and ``Sweego`` integrations were introduced in
     Symfony 7.2.
 
 .. note::