* 5.3:
  Fix CS in README files
  Fix markdown
  [HttpKernel] Fixes tests for PHP7.4+
  [Filesystem] fix readlink for Windows

* 5.3:
  Backport type fixes
  fix annot
  Backport type fixes
  Fix CS
  Avoid triggering the autoloader in Deprecation::isLegacy()
  fix markdown markup
  Backport type fixes
  uzb translation
  [DependencyInjection] Fix doc blocks
  [DependencyInjection] Turn $defaultDeprecationTemplate into a constant
  [GHA] restore phpunit-bridge job
  rethrow caught exception
  [Form] better form doc types to support static analysis

* 5.3:
  Leverage str_contains/str_starts_with
  Leverage str_ends_with

* 4.4:
  Remove polyfills from Yaml and Dotenv

* 5.3:
  Remove polyfills from Yaml and Dotenv
  HtmlDumper - setDumpHeader accepts null

* 5.3:
  move username/password fix to non-deprecated Connection class
  cs fix
  [VarDumper] Fix dumping twig templates found in exceptions
  [Validator] Add translations for CIDR constraint
  [Dotenv] Fix testLoadEnv() to start from a fresh context
  [Validator] Update validators.sr_Cyrl.xlf
  [Validator] Update validators.sr_Latn.xlf
  uzb translation
  Update validators.uz.xlf
  Fix logging of impersonator introduced in 5.3
  [Validator] Fix typos in Latvian translations
  [Messenger] Fix Redis Transport when username is empty

* 5.3:
  [Dotenv] Fix testLoadEnv() .env.dist isolation

* 5.3:
  [Dotenv] Fix testBootEnv() to start from a fresh context

…) and dotenv_overload to SymfonyRuntime

* 5.3: (24 commits)
  [TwigBundle] fix auto-enabling assets/expression/routing/yaml/workflow extensions
  [PhpUnitBridge] fix symlink to bridge in docker by making its path relative
  [Dotenv] Duplicate $_SERVER values in $_ENV if they don't exist
  Add polish translations (#43725)
  [String] Add PLURAL_MAP "zombies" -- fix #43789
  [Validator] Update validators.bs.xlf
  [Messenger] Fix `TraceableMessageBus` implementation so it can compute caller even when used within a callback
  [Validator] Add the missing translations for Russian (ru)
  [Validator] Added missing translations for Latvian (lv)
  [Validator] Added missing translations
  [Validator] Add missing translations for Vietnamese (VI)
  Add missing translations for Lithuanian (lt)
  [Validator] Add missing translations for Italian (it) #43722
  Add missing translations for Ukrainian
  Add missing translations for Bulgarian
  Add missing translations for Dutch (nl)
  Update validators.es.xlf
  update zh_TW translation
  [Validator] Added Danish translations
  added missing translations for Serbian Latin (sr_Latn) #43734
  ...

* 5.3:
  do not pass a boolean to the constructor of the Dotenv class