feature #53083 [Notifier] Add Bluesky notifier bridge (Nyholm)

This PR was squashed before being merged into the 7.1 branch.

Discussion
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[Notifier] Add Bluesky notifier bridge

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        |
| License       | MIT

I would love if Symfony posted their blog posts on https://bsky.app/profile/symfony.bsky.social at some point in the future. I hope this contribution will be a small step towards that.

If someone wants to verify this, I am happy to give out invite codes.

https://bsky.app/profile/nyholm.bsky.social/post/3kgjnhmh4nh2i

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I've implemented support for mention and links. Support for images and replies are left outside of the scope for this PR.

Commits
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a9d6f3cf43 [Notifier] Add Bluesky notifier bridge

Author: fabpot

DependencyInjection/FrameworkExtension.php

@@ -2697,6 +2697,7 @@ private function registerNotifierConfiguration(array $config, ContainerBuilder $
             NotifierBridge\AllMySms\AllMySmsTransportFactory::class => 'notifier.transport_factory.all-my-sms',
             NotifierBridge\AmazonSns\AmazonSnsTransportFactory::class => 'notifier.transport_factory.amazon-sns',
             NotifierBridge\Bandwidth\BandwidthTransportFactory::class => 'notifier.transport_factory.bandwidth',
+            NotifierBridge\Bluesky\BlueskyTransportFactory::class => 'notifier.transport_factory.bluesky',
             NotifierBridge\Brevo\BrevoTransportFactory::class => 'notifier.transport_factory.brevo',
             NotifierBridge\Chatwork\ChatworkTransportFactory::class => 'notifier.transport_factory.chatwork',
             NotifierBridge\Clickatell\ClickatellTransportFactory::class => 'notifier.transport_factory.clickatell',

Resources/config/notifier_transports.php

@@ -22,6 +22,10 @@
             ->abstract()
             ->args([service('event_dispatcher'), service('http_client')->ignoreOnInvalid()])
 
+        ->set('notifier.transport_factory.bluesky', Bridge\Bluesky\BlueskyTransportFactory::class)
+            ->parent('notifier.transport_factory.abstract')
+            ->tag('chatter.transport_factory')
+
         ->set('notifier.transport_factory.brevo', Bridge\Brevo\BrevoTransportFactory::class)
             ->parent('notifier.transport_factory.abstract')
             ->tag('texter.transport_factory')