bug #38612 [Messenger/Amqp] Allow setting option "login" in DSN (W0rma)

This PR was merged into the 5.1 branch.

Discussion
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[Messenger/Amqp] Allow setting option "login" in DSN

| Q             | A
| ------------- | ---
| Branch?       | 5.1
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #37618
| License       | MIT
| Doc PR        |

Commits
-------

43c0577 Allow setting AMQP option "login"

src/Symfony/Component/Messenger/Bridge/Amqp/Transport/Connection.php

@@ -37,6 +37,7 @@ class Connection
         'port',
         'vhost',
         'user',
+        'login',
         'password',
         'queues',
         'exchange',
@@ -123,7 +124,7 @@ public function __construct(array $connectionOptions, array $exchangeOptions, ar
      *   * host: Hostname of the AMQP service
      *   * port: Port of the AMQP service
      *   * vhost: Virtual Host to use with the AMQP service
-     *   * user: Username to use to connect the AMQP service
+     *   * user|login: Username to use to connect the AMQP service
      *   * password: Password to use to connect to the AMQP service
      *   * read_timeout: Timeout in for income activity. Note: 0 or greater seconds. May be fractional.
      *   * write_timeout: Timeout in for outcome activity. Note: 0 or greater seconds. May be fractional.