feature #18595 [Cache] Document cache:pool:clear’s new --exclude option (MatTheCat)

This PR was squashed before being merged into the 6.4 branch.

Discussion
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[Cache] Document `cache:pool:clear`’s new `--exclude` option

Feature PR
* symfony/symfony#51058

Commits
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cc7ac50 [Cache] Document `cache:pool:clear`’s new `--exclude` option

Author: OskarStark

Diff for: cache.rst

@@ -749,6 +749,16 @@ Clear all cache pools:
 
     The ``--all`` option was introduced in Symfony 6.3.
 
+Clear all cache pools except some:
+
+.. code-block:: terminal
+
+    $ php bin/console cache:pool:clear --all --exclude=my_cache_pool --exclude=another_cache_pool
+
+.. versionadded:: 6.4
+
+    The ``--exclude`` option was introduced in Symfony 6.4.
+
 Clear all caches everywhere:
 
 .. code-block:: terminal