feat: replace *Service suffix with role-based class names

config/services.yaml

@@ -107,21 +107,21 @@ services:
         arguments:
             $path: '%path_to_keys%'
 
-    App\Service\TravelSnapshotService:
+    App\Service\TravelSnapshotManager:
         arguments:
             $retentionBufferDays: '%travel_snapshot_retention_buffer_days%'
 
-    App\Service\TravelDataService:
+    App\Service\TravelDataProvider:
         arguments:
             $logger: '@monolog.logger.core'
             $preferRemote: '%env(bool:APP_TRAVEL_PREFER_REMOTE)%'
             $enableFallback: '%env(bool:APP_TRAVEL_ENABLE_FALLBACK)%'
 
-    App\Service\BookingEditDataLoaderService:
+    App\Service\BookingEditDataLoader:
         arguments:
             $bpnCache: '@bpn.cache'
 
-    App\Service\VoucherValidationService:
+    App\Service\VoucherValidator:
         arguments:
             $cache: '@cache.app'
             $logger: '@monolog.logger.bpn'
@@ -169,7 +169,7 @@ services:
             $rules:
                 - '@App\BusProNet\Service\StatusRule\ChaperonServiceStatusRule'
 
-    App\Service\CmsDataService:
+    App\Service\CmsDataProvider:
       arguments:
         $httpClient: '@typo3.client'
         $apiKey: 'AbcAbc123'# dummy key, not yet implemented
@@ -178,7 +178,7 @@ services:
         tags:
             - { name: monolog.processor }
 
-    App\Service\NewsletterDoubleOptInService:
+    App\Service\NewsletterManager:
         arguments:
             $newsletterConfirmationTtlHours: '%newsletter_confirmation_ttl_hours%'