bug #5655 return void for reset() method in DataCollector (david pell…

…etier-ulrich)

This PR was merged into the 4.x branch.

Discussion
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return void for reset() method in DataCollector

to fix depreciation message about reset method in DataCollector #5654

Commits
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f427c49 return void for reset() method

src/Inspector/DataCollector.php

@@ -24,7 +24,7 @@ public function __construct(AdminContextProvider $adminContextProvider)
         $this->adminContextProvider = $adminContextProvider;
     }
 
-    public function reset()
+    public function reset(): void
     {
         $this->data = [];
     }