Merge branch '6.4' into 7.0

* 6.4:
  Fix CI
  [Translation] Prevent creating empty keys when key ends with a period
  #51928 Missing translations for Belarusian (be)
  [DoctrineBridge] Spread some PHP 8 love
  [Cache] Fix leftovers in generated Redis proxies
  [Cache] Add missing `@requires extension openssl`
  [Validator] Update Slovenian translations (sl)

Author: derrabus

Tests/Compiler/IntegrationTest.php

@@ -55,6 +55,7 @@
 use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService3;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService3Configurator;
 use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService4;
+use Symfony\Contracts\Service\Attribute\SubscribedService;
 use Symfony\Contracts\Service\ServiceProviderInterface;
 use Symfony\Contracts\Service\ServiceSubscriberInterface;
 
@@ -391,6 +392,10 @@ public function testTaggedServiceWithIndexAttributeAndDefaultMethod()
 
     public function testLocatorConfiguredViaAttribute()
     {
+        if (!property_exists(SubscribedService::class, 'type')) {
+            $this->markTestSkipped('Requires symfony/service-contracts >= 3.2');
+        }
+
         $container = new ContainerBuilder();
         $container->setParameter('some.parameter', 'foo');
         $container->register(BarTagClass::class)