bug #49186 [Serializer] Improve exception message in UnwrappingDenorm…

…alizer (andersonamuller)

This PR was submitted for the 7.1 branch but it was squashed and merged into the 6.4 branch instead.

Discussion
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[Serializer] Improve exception message in UnwrappingDenormalizer

| Q             | A
| ------------- | ---
| Branch?       | 6.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

The current code expects the path to be replaced in the message, but probably it was forgotten.

Commits
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3c96bfb [Serializer] Improve exception message in UnwrappingDenormalizer

src/Symfony/Component/Serializer/Context/Normalizer/UnwrappingDenormalizerContextBuilder.php

@@ -45,7 +45,7 @@ public function withUnwrapPath(?string $unwrapPath): static
         try {
             new PropertyPath($unwrapPath);
         } catch (InvalidPropertyPathException $e) {
-            throw new InvalidArgumentException('The "%s" property path is not valid.', previous: $e);
+            throw new InvalidArgumentException(sprintf('The "%s" property path is not valid.', $unwrapPath), previous: $e);
         }
 
         return $this->with(UnwrappingDenormalizer::UNWRAP_PATH, $unwrapPath);