[Conductor] Update phpstan/phpstan to 2.1.12 (#1529)

Author: private-packagist[bot]

composer.lock

@@ -147,10 +147,6 @@ private function copyAdvisory(RemoteSecurityAdvisory $advisory, bool $initialCop
 
     public function getPackagistAdvisoryId(): string
     {
-        if (!isset($this->packagistAdvisoryId)) {
-            $this->assignPackagistAdvisoryId();
-        }
-
         return $this->packagistAdvisoryId;
     }
 
@@ -249,11 +245,6 @@ public function calculateDifferenceScore(RemoteSecurityAdvisory $advisory): int
         return $score;
     }
 
-    public function hasPackagistAdvisoryId(): bool
-    {
-        return (bool) $this->packagistAdvisoryId;
-    }
-
     private function assignPackagistAdvisoryId(): void
     {
         $this->packagistAdvisoryId = AdvisoryIdGenerator::generate();