* 5.4:
  Fix LICENSE year
  Bump license year to 2023

* 6.0:
  Fix LICENSE year
  Bump license year to 2023

* 6.1:
  Bump LICENSE year
  Fix LICENSE year
  Bump license year to 2023

Using a reference for custom success/failure handler breaks using the
same service for multiple authenticators. This as the options will be
overriden by any later authenticators. So use a ChildDefinition instead
so every authenticator gets a unique instance.

Fixes: #48923

* 5.4:
  [SecurityBundle] Fix using same handler for multiple authenticators
  [DependencyInjection] Fix dump order of inlined deps
  [VarExporter] Fix exporting enums
  [HttpClient] Let curl handle content-length headers

* 6.0:
  [SecurityBundle] Fix using same handler for multiple authenticators
  [DependencyInjection] Fix dump order of inlined deps
  [VarExporter] Fix exporting enums
  [HttpClient] Let curl handle content-length headers
  [Intl] Fix tests

* 6.1:
  [SecurityBundle] Fix using same handler for multiple authenticators
  [DependencyInjection] Fix dump order of inlined deps
  [VarExporter] Fix exporting enums
  [HttpClient] Let curl handle content-length headers
  [Intl] Fix tests

* 4.4:
  [Security/Http] Remove CSRF tokens from storage on successful login
  [HttpKernel] Remove private headers before storing responses with HttpCache

* 5.4:
  [HttpFoundation] Fix bad return type in IpUtils::checkIp4()
  [DependencyInjection] Fix order of arguments when mixing positional and named ones
  [HttpClient] Fix collecting data non-late for the profiler
  [Security/Http] Fix compat of persistent remember-me with legacy tokens
  Bump Symfony version to 5.4.20
  Update VERSION for 5.4.19
  Update CONTRIBUTORS for 5.4.19
  Update CHANGELOG for 5.4.19
  [Security/Http] Remove CSRF tokens from storage on successful login
  [HttpKernel] Remove private headers before storing responses with HttpCache

* 6.0:
  [HttpFoundation] Fix bad return type in IpUtils::checkIp4()
  [DependencyInjection] Fix order of arguments when mixing positional and named ones
  [HttpClient] Fix collecting data non-late for the profiler
  [Security/Http] Fix compat of persistent remember-me with legacy tokens
  Bump Symfony version to 6.0.20
  Update VERSION for 6.0.19
  Update CHANGELOG for 6.0.19
  Bump Symfony version to 5.4.20
  Update VERSION for 5.4.19
  Update CONTRIBUTORS for 5.4.19
  Update CHANGELOG for 5.4.19
  [Security/Http] Remove CSRF tokens from storage on successful login
  [HttpKernel] Remove private headers before storing responses with HttpCache

* 6.1:
  [HttpFoundation] Fix bad return type in IpUtils::checkIp4()
  [DependencyInjection] Fix order of arguments when mixing positional and named ones
  [HttpClient] Fix collecting data non-late for the profiler
  [Security/Http] Fix compat of persistent remember-me with legacy tokens
  Bump Symfony version to 6.1.12
  Update VERSION for 6.1.11
  Update CHANGELOG for 6.1.11
  Bump Symfony version to 6.0.20
  Update VERSION for 6.0.19
  Update CHANGELOG for 6.0.19
  Bump Symfony version to 5.4.20
  Update VERSION for 5.4.19
  Update CONTRIBUTORS for 5.4.19
  Update CHANGELOG for 5.4.19
  [Security/Http] Remove CSRF tokens from storage on successful login
  [HttpKernel] Remove private headers before storing responses with HttpCache