Create tag v2.2.4

Create tag v1.19.4

Create tag v2.2.3

Create tag v1.19.3

Merge branch '1.x' into 2.x

* 1.x:
  Revert "Deprecate "flex-require" sections"
  Ignore correct PHP CS Fixer config file in .gitattributes

Revert "Deprecate "flex-require" sections"

This reverts commit c36d11d.

Merge branch '1.x' into 2.x

* 1.x:
  Read from symfony.lock when checking for recipe updates
  Fix PHP warning when using Composer 1

Read from symfony.lock when checking for recipe updates

Merge branch '1.x' into 2.x

* 1.x:
  Deprecate "flex-require" sections
  Propagate COMPOSER_MEMORY_LIMIT to script executor
  Remove overriding native composer commands
  Prevent recipes bound to packs from being uninstalled when unpacking
  check for AbstractBundle

Deprecate "flex-require" sections