move bitbag/coding-standards from require to require-dev in composer.json + add old version support

Author: christopherhero

composer.json

@@ -6,12 +6,12 @@
     "license": "MIT",
     "require": {
         "php": "^7.4 || ^8.0",
-        "bitbag/coding-standard": "^v2.0.0",
         "sylius/sylius": "~1.10.0 || ~1.11.0"
     },
     "require-dev": {
         "behat/behat": "^3.7",
         "behat/mink-selenium2-driver": "^1.4",
+        "bitbag/coding-standard": "^1.0 || ^2.0",
         "dmore/behat-chrome-extension": "^1.3",
         "dmore/chrome-mink-driver": "^2.7",
         "friends-of-behat/mink": "^1.8",