Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/symfony/mailer/CHANGELOG.md

@@ -1,98 +0,0 @@
-CHANGELOG
-=========
-
-6.4
----
-
- * Add DSN parameter `peer_fingerprint` to verify TLS certificate fingerprint
- * Change the default port for the `mailjet+smtp` transport from 465 to 587
-
-6.3
----
-
- * Add `MessageEvent::reject()` to allow rejecting an email before sending it
- * Change the default port for the `mailgun+smtp` transport from 465 to 587
- * Add `$authenticators` parameter in `EsmtpTransport` constructor and `EsmtpTransport::setAuthenticators()`
-  to allow overriding of default eSMTP authenticators
-
-6.2.7
------
-
- * [BC BREAK] The following data providers for `TransportFactoryTestCase` are now static:
-  `supportsProvider()`, `createProvider()`, `unsupportedSchemeProvider()`and `incompleteDsnProvider()`
-
-6.2
----
-
- * Add a `mailer:test` command
- * Add `SentMessageEvent` and `FailedMessageEvent` events
-
-6.1
----
-
- * Make `start()` and `stop()` methods public on `SmtpTransport`
- * Improve extensibility of `EsmtpTransport`
-
-6.0
----
-
- * The `HttpTransportException` class takes a string at first argument
-
-5.4
----
-
- * Enable the mailer to operate on any PSR-14-compatible event dispatcher
-
-5.3
----
-
- * added the `mailer` monolog channel and set it on all transport definitions
-
-5.2.0
------
-
- * added `NativeTransportFactory` to configure a transport based on php.ini settings
- * added `local_domain`, `restart_threshold`, `restart_threshold_sleep` and `ping_threshold` options for `smtp`
- * added `command` option for `sendmail`
-
-4.4.0
------
-
- * [BC BREAK] changed the `NullTransport` DSN from `smtp://null` to `null://null`
- * [BC BREAK] renamed `SmtpEnvelope` to `Envelope`, renamed `DelayedSmtpEnvelope` to
-   `DelayedEnvelope`
- * [BC BREAK] changed the syntax for failover and roundrobin DSNs
-
-   Before:
-
-   dummy://a || dummy://b (for failover)
-   dummy://a && dummy://b (for roundrobin)
-
-   After:
-
-   failover(dummy://a dummy://b)
-   roundrobin(dummy://a dummy://b)
-
- * added support for multiple transports on a `Mailer` instance
- * [BC BREAK] removed the `auth_mode` DSN option (it is now always determined automatically)
- * STARTTLS cannot be enabled anymore (it is used automatically if TLS is disabled and the server supports STARTTLS)
- * [BC BREAK] Removed the `encryption` DSN option (use `smtps` instead)
- * Added support for the `smtps` protocol (does the same as using `smtp` and port `465`)
- * Added PHPUnit constraints
- * Added `MessageDataCollector`
- * Added `MessageEvents` and `MessageLoggerListener` to allow collecting sent emails
- * [BC BREAK] `TransportInterface` has a new `__toString()` method
- * [BC BREAK] Classes `AbstractApiTransport` and `AbstractHttpTransport` moved under `Transport` sub-namespace.
- * [BC BREAK] Transports depend on `Symfony\Contracts\EventDispatcher\EventDispatcherInterface`
-   instead of `Symfony\Component\EventDispatcher\EventDispatcherInterface`.
- * Added possibility to register custom transport for dsn by implementing
-   `Symfony\Component\Mailer\Transport\TransportFactoryInterface` and tagging with `mailer.transport_factory` tag in DI.
- * Added `Symfony\Component\Mailer\Test\TransportFactoryTestCase` to ease testing custom transport factories.
- * Added `SentMessage::getDebug()` and `TransportExceptionInterface::getDebug` to help debugging
- * Made `MessageEvent` final
- * add DSN parameter `verify_peer` to disable TLS peer verification for SMTP transport
-
-4.3.0
------
-
- * Added the component.