chore: php-cs-fixer re-configuration

* Add 'composer lint' command.
* Update GitHub Actions CI command to latest v3 args. Changing CLI args
  in a minor version is a choice.

Author: derekmd

.github/workflows/php-cs-fixer.yml

@@ -8,9 +8,17 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v2
+                uses: actions/checkout@v4
+
+            -   name: .php-cs-fixer.cache
+                uses: actions/cache@v4
+                with:
+                    path: .php-cs-fixer.cache
+                    key: ${{ runner.OS }}-${{ github.repository }}-php-cs-fixer-${{ github.sha }}
+                    restore-keys: |
+                        ${{ runner.OS }}-${{ github.repository }}-php-cs-fixer-
 
             -   name: Check style
                 uses: docker://oskarstark/php-cs-fixer-ga
                 with:
-                    args: --config=.php-cs-fixer.php --dry-run --diff
+                    args: --dry-run --diff

.gitignore

@@ -1,7 +1,7 @@
 bin/geckodriver*
 storage
 vendor
-.php_cs.cache
+.php-cs-fixer.cache
 composer.lock
 coverage
 .phpunit.result.cache

composer.json

@@ -43,6 +43,7 @@
     },
     "scripts": {
         "download": "vendor/bin/phpunit tests/DownloadBinaries.php",
+        "lint": "./vendor/bin/php-cs-fixer fix -vvv --dry-run --show-progress=dots --diff",
         "test": "vendor/bin/phpunit"
     },
     "extra": {