…nk lines

* 6.4:
  Fix Warning: curl_multi_select(): timeout must be positive
  [PropertyInfo] Fix ReflectionExtractor handling of underscore-only property names
  ObjectNormalizer: allow null and scalar
  [Security] Fix `HttpUtils::createRequest()` when the context’s base URL isn’t empty
  [Serializer] fix Inherited properties normalization
  [OptionsResolver] Fix missing prototype key in nested error paths
  Bump Symfony version to 6.4.30
  Update VERSION for 6.4.29
  Update CHANGELOG for 6.4.29
  [Yaml] Fix parsing of unquoted multiline scalars with comments or blank lines
  [Clock] Align MockClock::sleep() behavior with NativeClock for negative values
  [OptionsResolver] Ensure remove() also unsets deprecation status
  Remove review state for Belarusian translations (entries 141 and 142)
  [ExpressionLanguage] Compile numbers with var_export in Compiler::repr for thread-safety
  compatibility with ext-redis 6.3
  [Serializer] Fix BackedEnumNormalizer behavior with partial denormalization

* 6.4:
  [Cache] Fix accepting named closures as early-expiration callbacks
  [Mime] Update mime types
  [Yaml] Align unquoted multiline scalar parsing with spec for comments
  work around limitation in JsonResponse when the data is null
  do not use recipient phone numbers as sender e-mail addresses
  [Dotenv] DotenvDumpCommand cannot be internal

* 6.4:
  [SecurityBundle] Fix tests with Symfony 7.4
  [HttpClient] Fix sharing CurlClientState between clones of CurlHttpClient instances
  Revert "[HttpClient] Lazily initialize CurlClientState"
  [Yaml] Fix regression handling blank lines in unquoted scalars
  Fix the creation of a redis connection with only ext-relay
  [DependencyInjection] Reset resolved state when setting a parameter
  Fix Request getPathInfo docblock