minor #13690 DataCollector collect needs a Throwable (BafS)

This PR was submitted for the 5.0 branch but it was merged into the 4.4 branch instead.

Discussion
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DataCollector `collect` needs a `Throwable`

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Commits
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e890ac8 DataCollector `collect` needs a `Throwable`

Author: javiereguiluz

profiler/data_collector.rst

@@ -30,7 +30,7 @@ request::
 
     class RequestCollector extends DataCollector
     {
-        public function collect(Request $request, Response $response, \Exception $exception = null)
+        public function collect(Request $request, Response $response, \Throwable $exception = null)
         {
             $this->data = [
                 'method' => $request->getMethod(),