refactor: remove hardcoded phpstan level, let project control

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

includes/tests/static-analysis.yml

@@ -9,12 +9,12 @@ phpstan:
   script:
     - |
       if [ -f "vendor/bin/phpstan" ]; then
-        vendor/bin/phpstan analyse --level 5 --error-format=gitlab --memory-limit=2G > phpstan-codequality.json || true
-        vendor/bin/phpstan analyse --level 5 --error-format=junit --memory-limit=2G > phpstan-junit.xml
+        vendor/bin/phpstan analyse --error-format=gitlab --memory-limit=2G > phpstan-codequality.json || true
+        vendor/bin/phpstan analyse --error-format=junit --memory-limit=2G > phpstan-junit.xml
       elif [ -f "vendor/wpdesk/wp-wpdesk-composer/director/vendor/bin/phpstan" ]; then
         # PHPStan installed by director
-        vendor/wpdesk/wp-wpdesk-composer/director/vendor/bin/phpstan analyse --level 5 --error-format=gitlab --memory-limit=2G > phpstan-codequality.json || true
-        vendor/wpdesk/wp-wpdesk-composer/director/vendor/bin/phpstan analyse --level 5 --error-format=junit --memory-limit=2G > phpstan-junit.xml
+        vendor/wpdesk/wp-wpdesk-composer/director/vendor/bin/phpstan analyse --error-format=gitlab --memory-limit=2G > phpstan-codequality.json || true
+        vendor/wpdesk/wp-wpdesk-composer/director/vendor/bin/phpstan analyse --error-format=junit --memory-limit=2G > phpstan-junit.xml
       else
         echo "PHPStan not found! Install it with 'composer require --dev wpdesk/phpstan-rules'."
         exit 125