This package could be used by matomo-component-decompress instead of embedding it's own copy. But the source should then be changed to a more recent fork.
See: https://sources.debian.org/src/matomo-component-decompress/3.0.0-1/libs/PclZip/pclzip.lib.php/ See: https://github.com/matomo-org/component-decompress/issues/23 -- William