Changelog

• 1d80a80: Remove the version for the Symfony book (@fabpot)
• c7db2f8: Remove some compat code from the closed sourced version (@fabpot)
• 3f91f02: Remove some Platform.sh aliases to avoid confusion (@fabpot)
• 6557cf4: Print Github hint on STDERR instead of STDOUT (@fabpot)
• c8fb2b9: Add --docker flag to symfony new (@fabpot)

Full Changelog: v5.1.0...v5.2.0