minor #7140 Add version_strategy parameter for FrameworkBundle (mbabker, javiereguiluz)

This PR was merged into the 3.1 branch.

Discussion
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Add version_strategy parameter for FrameworkBundle

This documents the added configuration from symfony/symfony@52d116b

Commits
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6727bad Fix label reference
e487508 Minor tweaks
88f5615 Add version_strategy parameter for FrameworkBundle

Author: xabbuh

reference/configuration/framework.rst

@@ -69,6 +69,7 @@ Configuration
     * `base_path`_
     * `base_urls`_
     * `packages`_
+    * `version_strategy`_
     * `version`_
     * `version_format`_
 * `templating`_
@@ -958,9 +959,26 @@ Each package can configure the following options:
 
 * :ref:`base_path <reference-assets-base-path>`
 * :ref:`base_urls <reference-assets-base-urls>`
+* :ref:`version_strategy <reference-assets-version-strategy>`
 * :ref:`version <reference-framework-assets-version>`
 * :ref:`version_format <reference-assets-version-format>`
 
+.. _reference-templating-version-strategy:
+.. _reference-assets-version-strategy:
+
+version_strategy
+................
+
+**type**: ``string`` **default**: ``null``
+
+This specifies the id of the service to use as the version strategy for
+all rendered asset paths. Version strategies must implement
+:class:`Symfony\\Component\\Asset\\VersionStrategy\\VersionStrategyInterface`.
+
+.. note::
+
+    This parameter cannot be set at the same time as ``version``.
+
 .. _reference-framework-assets-version:
 .. _ref-framework-assets-version:
 
@@ -1031,6 +1049,10 @@ before each deployment so that the query parameters change.
 You can also control how the query string works via the `version_format`_
 option.
 
+.. note::
+
+    This parameter cannot be set at the same time as ``version_strategy``.
+
 .. tip::
 
     As with all settings, you can use a parameter as value for the