fix time class (#150)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Refactor**
* Updated type hints for constructor parameters to use nullable
shorthand for improved code clarity.
* Simplified import statements for the Time class across multiple files.

* **Chores**
* Updated PHP include path configuration to add new vendor directories.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: Robert Landers <landers.robert@gmail.com>

Author: withinboredom

.idea/php.xml

@@ -1,4 +1,5 @@
 <?php
+
 /*
  * Copyright ©2024 Robert Landers
  *
@@ -23,7 +24,7 @@
 
 namespace Bottledcode\DurablePhp;
 
-use Withinboredom\Time\Time;
+use Withinboredom\Time;
 
 use function Withinboredom\Time\Hours;
 
@@ -32,9 +33,9 @@ class RetryOptions
     public function __construct(
         public Time $firstRetryInterval,
         public int $maxNumberAttempts,
-        public Time|null $maxRetryInterval = null,
+        public ?Time $maxRetryInterval = null,
         public float $backoffCoefficient = 1.0,
-        public Time|null $retryTimeout = null,
+        public ?Time $retryTimeout = null,
     ) {
         $this->maxRetryInterval = Hours(1);
         $this->retryTimeout = Hours(1);

src/RetryOptions.php

@@ -1,4 +1,5 @@
 <?php
+
 /*
  * Copyright ©2024 Robert Landers
  *
@@ -24,7 +25,7 @@
 namespace Bottledcode\DurablePhp\State\Attributes;
 
 use Attribute;
-use Withinboredom\Time\Time;
+use Withinboredom\Time;
 
 #[Attribute(Attribute::TARGET_CLASS)]
 readonly class TimeToLive