bug #52 Configure Symfony Flex to fix the build (Zales0123)

This PR was merged into the 4.0-dev branch.

Discussion
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Commits
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f869543 Configure Symfony Flex to fix the build

.github/workflows/build.yml

@@ -48,6 +48,12 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-php-${{ matrix.php }}-composer-
 
+      -
+        name: Configure Flex
+        run: |
+          composer global config --no-plugins allow-plugins.symfony/flex true
+          composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.10"
+
       -
         name: Require EasyCodingStandard version
         run: composer require symplify/easy-coding-standard:${{ matrix.ecs }} --no-update --no-scripts

composer.json

@@ -26,5 +26,11 @@
         "branch-alias": {
             "dev-master": "4.0-dev"
         }
+    },
+    "config": {
+        "allow-plugins": {
+            "symfony/flex": true,
+            "dealerdirect/phpcodesniffer-composer-installer": false
+        }
     }
 }