Use phar to load bleeding edge

rules/phpstan-rules.neon

@@ -1,8 +1,7 @@
 includes:
-    # - ../../../vendor/phpstan/phpstan/conf/bleedingEdge.neon
+    - phar://phpstan.phar/conf/bleedingEdge.neon
     - ../../../vendor/phpstan/phpstan-deprecation-rules/rules.neon
 parameters:
-    bleedingEdge: true
     polluteScopeWithLoopInitialAssignments: false
     polluteScopeWithAlwaysIterableForeach: false
     checkAlwaysTrueCheckTypeFunctionCall: true