v7.0.3

Changelog (v7.0.2...v7.0.3)

• bug symfony/symfony#53678 [Mime] Fix serializing uninitialized RawMessage::$message to null (@nicolas-grekas)
• bug symfony/symfony#53361 [Serializer] Take unnamed variadic parameters into account when denormalizing (@thijsBreker)
• bug symfony/symfony#53530 [Serializer] Rewrite AbstractObjectNormalizer::createChildContext() to use the provided cache_key from original context when creating child contexts (@amne)
• bug symfony/symfony#53414 [Serializer] GetSetMethodNormalizer: fix BC break with #[Ignore] attribute (@nikophil)
• bug symfony/symfony#53108 [Serializer] Fix using deserialization path 5.4 (@HypeMC)