Fix support for Sylius subversions

v1.2.1

Fix support for Sylius subversions

Support for Sylius 1.8|1.9|1.10, Symfony ^4.4|^5.2, PHP ^7.3|^8.0

Support for Sylius 1.8|1.9|1.10, Symfony ^4.4|^5.2, PHP ^7.3|^8.0

Fix include template

v1.1.1

update CHANGELOG.md

Sylius 1.8, 1.9, 1.10

Tests for Sylius ^1.8|^1.9|^1.10

Sylius 1.7 compatibility

Sylius ^1.7, PHP ^7.3