Merge branch '6.3' into 6.4

* 6.3:
  [PhpUnitBridge] Ignore deprecations about the annotation mapping driver when it's not possible to move to the attribute driver yet
  [SecurityBundle] Mark SignatureAlgorithmFactory as internal
  remove unusable cache pools
  GH-50526: Reverting ExecutionContextInterface void return types in favor of docblock annotations.

Author: nicolas-grekas

bootstrap.php

@@ -14,7 +14,7 @@
 use Symfony\Bridge\PhpUnit\DeprecationErrorHandler;
 
 // Detect if we need to serialize deprecations to a file.
-if (in_array(PHP_SAPI, ['cli', 'phpdbg'], true) && $file = getenv('SYMFONY_DEPRECATIONS_SERIALIZE')) {
+if (in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) && $file = getenv('SYMFONY_DEPRECATIONS_SERIALIZE')) {
     DeprecationErrorHandler::collectDeprecations($file);
 
     return;
@@ -34,6 +34,11 @@
 
 if (class_exists(Deprecation::class)) {
     Deprecation::withoutDeduplication();
+
+    if (\PHP_VERSION_ID < 80000) {
+        // Ignore deprecations about the annotation mapping driver when it's not possible to move to the attribute driver yet
+        Deprecation::ignoreDeprecations('https://github.com/doctrine/orm/issues/10098');
+    }
 }
 
 if (!class_exists(AnnotationRegistry::class, false) && class_exists(AnnotationRegistry::class)) {