feature #18288 [HttpClient] Add max_retries setting docs on the RetryableHttpClient (danielburger1337)

This PR was submitted for the 6.3 branch but it was merged into the 6.4 branch instead.

Discussion
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[HttpClient] Add `max_retries` setting docs on the `RetryableHttpClient`

References [#50240](symfony/symfony#50240)

Commits
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bf57a3e Add 'max_retries' setting docs on the RetryableHttpClient

Author: OskarStark

http_client.rst

@@ -706,6 +706,10 @@ making a request. Use the ``max_redirects`` setting to configure this behavior
 Retry Failed Requests
 ~~~~~~~~~~~~~~~~~~~~~
 
+.. versionadded:: 6.3
+
+    The ``max_retries`` feature was added in Symfony 6.3.
+
 Sometimes, requests fail because of network issues or temporary server errors.
 Symfony's HttpClient allows to retry failed requests automatically using the
 :ref:`retry_failed option <reference-http-client-retry-failed>`.
@@ -714,7 +718,8 @@ By default, failed requests are retried up to 3 times, with an exponential delay
 between retries (first retry = 1 second; third retry: 4 seconds) and only for
 the following HTTP status codes: ``423``, ``425``, ``429``, ``502`` and ``503``
 when using any HTTP method and ``500``, ``504``, ``507`` and ``510`` when using
-an HTTP `idempotent method`_.
+an HTTP `idempotent method`_. Use the ``max_retries`` setting to configure the amount
+of times a request is retried.
 
 Check out the full list of configurable :ref:`retry_failed options <reference-http-client-retry-failed>`
 to learn how to tweak each of them to fit your application needs.