Remove ocramius/package-versions

Author: staabm

.github/workflows/backward-compatibility.yml

@@ -30,9 +30,6 @@ jobs:
       - name: "Install dependencies"
         run: "composer install --no-dev --no-interaction --no-progress --no-suggest"
 
-      - name: "allow composer plugins"
-        run: "composer config --no-plugins --global allow-plugins.ocramius/package-versions true"
-
       - name: "Install BackwardCompatibilityCheck"
         run: "composer global require --dev roave/backward-compatibility-check"
 

composer.json

@@ -20,10 +20,7 @@
 		"platform": {
 			"php": "7.4.6"
 		},
-		"sort-packages": true,
-		"allow-plugins": {
-			"phpstan/extension-installer": true
-		}
+		"sort-packages": true
 	},
 	"autoload": {
 		"psr-4": {