CI: Composer - move prefer-stable to file config (#7406)

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
           - operating-system: 'ubuntu-20.04'
             php-version: '7.4'
             job-description: 'with lowest deps'
-            composer-flags: '--prefer-stable --prefer-lowest' # should be checked on the lowest supported PHP version
+            composer-flags: '--prefer-lowest' # should be checked on the lowest supported PHP version
 
           - operating-system: 'ubuntu-20.04'
             php-version: '7.4'
@@ -68,12 +68,12 @@ jobs:
           - operating-system: 'windows-latest'
             php-version: '8.2'
             job-description: 'on Windows'
-            FAST_LINT_TEST_CASES: 1
+            FAST_LINT_TEST_CASES: 1 # we need full syntax check on one job at least, no need to do it on additional systems
 
           - operating-system: 'macos-latest'
             php-version: '8.2'
             job-description: 'on macOS'
-            FAST_LINT_TEST_CASES: 1
+            FAST_LINT_TEST_CASES: 1 # we need full syntax check on one job at least, no need to do it on additional systems
 
     name: PHP ${{ matrix.php-version }} ${{ matrix.job-description }}
 

composer.json

@@ -74,6 +74,7 @@
             "ergebnis/composer-normalize": true,
             "infection/extension-installer": false
         },
+        "prefer-stable": true,
         "sort-packages": true
     },
     "scripts": {

dev-tools/composer.json

@@ -8,9 +8,9 @@
         "mi-schi/phpmd-extension": "^4.3.0",
         "phpmd/phpmd": "^2.14.1",
         "phpstan/extension-installer": "^1.3.1",
-        "phpstan/phpstan": "^1.10.39",
+        "phpstan/phpstan": "^1.10.40",
         "phpstan/phpstan-phpunit": "^1.3.15",
-        "phpstan/phpstan-strict-rules": "^1.5.1"
+        "phpstan/phpstan-strict-rules": "^1.5.2"
     },
     "config": {
         "allow-plugins": {
@@ -21,6 +21,7 @@
         "platform": {
             "php": "8.2"
         },
+        "prefer-stable": true,
         "sort-packages": true
     }
 }