minor #12605 [Security] query string can't be used in security.access_control > path (alexislefebvre)

This PR was merged into the 3.4 branch.

Discussion
----------

[Security] query string can't be used in security.access_control > path

Goal: explain that GET parameters are ignored, so the following rule won't work:

```
- { path: ^/foo/bar\?foobar=[0-9]+, roles: [ ROLE_USER ], methods: [ GET ] }
```

Source: https://stackoverflow.com/questions/46600752/symfony-access-control-regex-with-get-parameter

Commits
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2877f9b access_control.rst: query string is ignored

Author: wouterj

security/access_control.rst

@@ -93,10 +93,11 @@ Take the following ``access_control`` entries as an example:
         ]);
 
 For each incoming request, Symfony will decide which ``access_control``
-to use based on the URI, the client's IP address, the incoming host name,
-and the request method. Remember, the first rule that matches is used, and
-if ``ips``, ``host`` or ``methods`` are not specified for an entry, that
-``access_control`` will match any ``ips``, ``host`` or ``methods``:
+to use based on the URI (without the ``GET`` parameters), the
+client's IP address, the incoming host name, and the request method.
+Remember, the first rule that matches is used, and if ``ips``, ``host``
+or ``methods`` are not specified for an entry, that ``access_control``
+will match any ``ips``, ``host`` or ``methods``:
 
 +-----------------+-------------+-------------+------------+--------------------------------+-------------------------------------------------------------+
 | URI             | IP          | HOST        | METHOD     | ``access_control``             | Why?                                                        |