Merge branch '4.4'

* 4.4: (27 commits)
  [Validator] add notice in UPGRADE file for new Range constraint option
  [CssSelector] Support *:only-of-type pseudo class selector
  [Intl] Update the ICU data to 65.1 (4.4 branch)
  [Intl] Update the ICU data to 65.1 (4.3 branch)
  Replace deprecated calls in tests
  [Intl] Update the ICU data to 65.1
  Delete 5_Security_issue.md
  [DI] Whitelist error_renderer.renderer tag  in UnusedTagsPass
  [DI] Whitelist validator.auto_mapper in UnusedTagsPass
  Update CHANGELOG.md
  [HttpClient] Fixed #33832 NO_PROXY option ignored in NativeHttpClient::request() method
  [EventDispatcher] A compiler pass for aliased userland events.
  [Cache] give 100ms before starting the expiration countdown
  [Cache] fix logger usage in CacheTrait::doGet()
  [VarDumper] fix dumping uninitialized SplFileInfo
  Added missing translations.
  [Form] Added CountryType option for using alpha3 country codes
  Fixed invalid changelog 4.0.0 for VarDumper
  [Workflow] Fixed BC break on WorkflowInterface
  Fix wrong expression language value
  ...

Author: nicolas-grekas

Adapter/ExtLdap/Collection.php

@@ -118,7 +118,7 @@ public function offsetUnset($offset)
         unset($this->entries[$offset]);
     }
 
-    private function getSingleEntry($con, $current)
+    private function getSingleEntry($con, $current): Entry
     {
         $attributes = ldap_get_attributes($con, $current);
 
@@ -137,7 +137,7 @@ private function getSingleEntry($con, $current)
         return new Entry($dn, $attributes);
     }
 
-    private function cleanupAttributes(array $entry)
+    private function cleanupAttributes(array $entry): array
     {
         $attributes = array_diff_key($entry, array_flip(range(0, $entry['count'] - 1)) + [
                 'count' => null,

Adapter/ExtLdap/EntryManager.php

@@ -156,7 +156,7 @@ public function applyOperations(string $dn, iterable $operations): void
         }
     }
 
-    private function parseRdnFromEntry(Entry $entry)
+    private function parseRdnFromEntry(Entry $entry): string
     {
         if (!preg_match('/^([^,]+),/', $entry->getDn(), $matches)) {
             throw new LdapException(sprintf('Entry "%s" malformed, could not parse RDN.', $entry->getDn()));

Security/LdapUser.php

@@ -67,6 +67,7 @@ public function getPassword(): ?string
      */
     public function getSalt(): ?string
     {
+        return null;
     }
 
     /**