Merge branch '6.4' into 7.1

* 6.4: (23 commits)
  add translations for the Slug constraint
  [Messenger] Fix `TransportMessageIdStamp` not always added
  [DoctrineBridge] Fix compatibility to Doctrine persistence 2.5 in Doctrine Bridge 6.4 to avoid Projects stuck on 6.3
  [PropertyInfo] Fix add missing composer conflict
  [ErrorHandler] Don't trigger "internal" deprecations for anonymous LazyClosure instances
  [VarDumper] Fix displaying closure's "this" from anonymous classes
  [Doctrine][Messenger] Prevents multiple TransportMessageIdStamp being stored in envelope
  [HttpKernel] Don't override existing LoggerInterface autowiring alias in LoggerPass
  reject inline notations followed by invalid content
  [Security] Fix triggering session tracking from ContextListener
  [AssetMapper] add leading slash to public prefix
  fix: modify Exception message parameter order
  [Yaml] Fix parsing of unquoted strings in Parser::lexUnquotedString() to ignore spaces
  Update exception.css
  Bump Symfony version to 6.4.18
  Update VERSION for 6.4.17
  Update CONTRIBUTORS for 6.4.17
  Update CHANGELOG for 6.4.17
  Fix exception thrown by YamlEncoder
  [AssetMapper] Fix JavaScript compiler create self-referencing imports
  ...

Author: xabbuh

Resources/translations/validators.de.xlf

@@ -466,6 +466,10 @@
                 <source>This value should not be after week "{{ max }}".</source>
                 <target>Dieser Wert darf nicht nach der Woche "{{ max }}" sein.</target>
             </trans-unit>
+            <trans-unit id="120">
+                <source>This value is not a valid slug.</source>
+                <target>Dieser Wert ist kein gültiger Slug.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.en.xlf

@@ -466,6 +466,10 @@
                 <source>This value should not be after week "{{ max }}".</source>
                 <target>This value should not be after week "{{ max }}".</target>
             </trans-unit>
+            <trans-unit id="120">
+                <source>This value is not a valid slug.</source>
+                <target>This value is not a valid slug.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>