Update: laravel 8 to 12, php 7.3 to php 8.3, Jenkinsfile, Unit/Feature testing, vapor, docker

app/Models/StatementTransaction.php

@@ -30,9 +30,17 @@ class StatementTransaction extends Model
         'end_balance',
     ];
 
-    protected $casts = [
-        'posting_date' => 'datetime',
-    ];
+    /**
+     * Get the attributes that should be cast.
+     *
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'posting_date' => 'datetime',
+        ];
+    }
 
     public function account()
     {