Fix code quality tools configuration and workflow

- Fix PHP CodeSniffer configuration to use WordPress coding standards
- Add WordPress stubs to PHPStan configuration
- Fix Codacy Analysis action by removing unsupported parameter
- Update SonarCloud action to use recommended sonarqube-scan-action
- Add comprehensive documentation for code quality tools
- Update composer scripts to use vendor binaries

composer.json

@@ -21,6 +21,7 @@
         "wp-coding-standards/wpcs": "^3.0",
         "phpcompatibility/phpcompatibility-wp": "^2.1",
         "phpstan/phpstan": "^1.10.0",
+        "szepeviktor/phpstan-wordpress": "^1.3",
         "phpmd/phpmd": "^2.13.0",
         "symfony/dependency-injection": "^5.4",
         "symfony/config": "^5.4",
@@ -45,13 +46,13 @@
         }
     },
     "scripts": {
-        "phpcs": "phpcs --standard=phpcs.xml",
-        "phpcs:simple": "phpcs --standard=phpcs-simple.xml",
-        "phpcbf": "phpcbf --standard=phpcs.xml",
-        "phpcbf:simple": "phpcbf --standard=phpcs-simple.xml",
-        "phpstan": "phpstan analyse --level=5 .",
-        "phpmd": "phpmd . text cleancode,codesize,controversial,design,naming,unusedcode --exclude vendor,node_modules,tests,bin,build,dist",
-        "test": "phpunit",
+        "phpcs": "vendor/bin/phpcs --standard=phpcs.xml",
+        "phpcs:simple": "vendor/bin/phpcs --standard=phpcs-simple.xml",
+        "phpcbf": "vendor/bin/phpcbf --standard=phpcs.xml",
+        "phpcbf:simple": "vendor/bin/phpcbf --standard=phpcs-simple.xml",
+        "phpstan": "vendor/bin/phpstan analyse --level=5 .",
+        "phpmd": "vendor/bin/phpmd . text cleancode,codesize,controversial,design,naming,unusedcode --exclude vendor,node_modules,tests,bin,build,dist",
+        "test": "vendor/bin/phpunit",
         "lint": ["@phpcs", "@phpstan", "@phpmd"],
         "fix": ["@phpcbf"]
     }