fix: Add ReturnTypeWillChange to jsonSerialize to fix 2.4.5 compile issue

Author: jissereitsma

Location/Address/BusinessHour/Day.php

@@ -45,6 +45,7 @@ public function getComment(): string
         return (string)__($this->comment);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize(): mixed
     {
         return [

Location/Address/BusinessHour/DayPart.php

@@ -29,6 +29,7 @@ public function getClosingHour(): string
         return $this->closingHour;
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize(): mixed
     {
         return [

Location/Address/BusinessHours.php

@@ -40,6 +40,7 @@ public function getDays(): array
         return $this->days;
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize(): mixed
     {
         return [