Merge pull request #8383 from kenjis/fix-v4.4.4.rst

docs: fix section title level in v4.4.4.rst

Author: kenjis

user_guide_src/source/changelogs/v4.4.4.rst

@@ -39,6 +39,7 @@ Filesystem Helper
 :php:func:`get_filenames()` now follows symlink folders, which it previously just returned
 without following.
 
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 Enhancements
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