switch to symfony 6.3

Author: maxbeckers

components/filesystem.rst

@@ -266,7 +266,7 @@ files)::
 The following options can be passed:
 
  * ``override`` (default: ``false``): If true, target files newer than origin files are overwritten (see :method:`Symfony\\Component\\Filesystem\\Filesystem::copy`)
- * ``copy_on_windows`` (default: ``false``): Whether to copy files instead of links on Windows. Since symfony/filesystem 6.2 this option is deprecated, use follow_symlinks instead.
+ * ``copy_on_windows`` (default: ``false``): Whether to copy files instead of links on Windows. Since symfony/filesystem 6.3 this option is deprecated, use follow_symlinks instead.
  * ``follow_symlinks`` (default: ``false``): Whether to copy files instead of links, where using symlinks in not working: windows, different drive, docker context not supporting symlinks.
  * ``delete`` (default: ``false``): Whether to delete files that are not in the source directory.