Merge branch '5.4' into 6.4

* 5.4:
  fix Twig 3.12 compatibility
  [Translation] Review Serbian translations
  Fix typos
  [DependencyInjection] Fix error message typo in YamlFileLoader

Loader/AttributeFileLoader.php

@@ -82,7 +82,7 @@ protected function findClass(string $file): string|false
         $tokens = token_get_all(file_get_contents($file));
 
         if (1 === \count($tokens) && \T_INLINE_HTML === $tokens[0][0]) {
-            throw new \InvalidArgumentException(sprintf('The file "%s" does not contain PHP code. Did you forgot to add the "<?php" start tag at the beginning of the file?', $file));
+            throw new \InvalidArgumentException(sprintf('The file "%s" does not contain PHP code. Did you forget to add the "<?php" start tag at the beginning of the file?', $file));
         }
 
         $nsTokens = [\T_NS_SEPARATOR => true, \T_STRING => true];

Tests/Loader/AttributeFileLoaderTest.php

@@ -58,7 +58,7 @@ public function testLoadTraitWithClassConstant()
     public function testLoadFileWithoutStartTag()
     {
         $this->expectException(\InvalidArgumentException::class);
-        $this->expectExceptionMessage('Did you forgot to add the "<?php" start tag at the beginning of the file?');
+        $this->expectExceptionMessage('Did you forget to add the "<?php" start tag at the beginning of the file?');
         $this->loader->load(__DIR__.'/../Fixtures/OtherAnnotatedClasses/NoStartTagClass.php');
     }