feat(php): add setWaitTaskTimeBeforeRetry method for Search and Ingestion clients (#5514)

Co-authored-by: Thomas Raffray <Fluf22@users.noreply.github.com>

Author: louisfisch

templates/php/client_config.mustache

@@ -33,6 +33,13 @@ class {{configClassname}} extends {{#hasRegionalHost}}ConfigWithRegion{{/hasRegi
     {{#isIngestionClient}}
     private $defaultWaitTaskTimeBeforeRetry = 5000; // 5 sec in milliseconds
 
+    public function setWaitTaskTimeBeforeRetry($waitTaskTimeBeforeRetry)
+    {
+        $this->config['waitTaskTimeBeforeRetry'] = $waitTaskTimeBeforeRetry;
+
+        return $this;
+    }
+
     public function getWaitTaskTimeBeforeRetry()
     {
         return $this->config['waitTaskTimeBeforeRetry'];
@@ -53,6 +60,13 @@ class {{configClassname}} extends {{#hasRegionalHost}}ConfigWithRegion{{/hasRegi
         return new static($config);
     }
 
+    public function setWaitTaskTimeBeforeRetry($waitTaskTimeBeforeRetry)
+    {
+        $this->config['waitTaskTimeBeforeRetry'] = $waitTaskTimeBeforeRetry;
+
+        return $this;
+    }
+
     public function getWaitTaskTimeBeforeRetry()
     {
         return $this->config['waitTaskTimeBeforeRetry'];
@@ -120,4 +134,4 @@ class {{configClassname}} extends {{#hasRegionalHost}}ConfigWithRegion{{/hasRegi
             {{/isSearchClient}}
         ];
     }
-}
+}