minor #974 Bump Sylius 1.13 to stable v1.13.0 version (GSadee)

This PR was merged into the 1.13 branch.

Discussion
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Commits
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  Bump Sylius 1.13 to stable v1.13.0 version

Author: NoResponseMate

composer.json

@@ -25,8 +25,8 @@
     ],
     "require": {
         "php": "^8.1",
-        "sylius/paypal-plugin": "dev-master",
-        "sylius/sylius": "1.13.x-dev",
+        "sylius/paypal-plugin": "^1.6",
+        "sylius/sylius": "~1.13.0",
         "symfony/dotenv": "^5.4 || ^6.4",
         "symfony/flex": "^2.4",
         "symfony/runtime": "^5.4 || ^6.4"
@@ -108,7 +108,6 @@
         ]
     },
     "prefer-stable": true,
-    "minimum-stability": "dev",
     "scripts": {
         "post-install-cmd": [
             "@auto-scripts"